Electric Current Review And Reinforce Answers

The current review focused on electrical stimulation with non-implanted devices for the treatment of urinary incontinence in men. The text includes many current examples, which are handled in a politically equitable way. American Electric Power is trading near the top of its 52-week range. Reinforcement masters are espe-cially helpful for students who require additional. I can explain what factors affect the strength of an electrical field. •The magnitude of resistance is dictated by electric properties of the material and material geometry. As the cell operates, copper metal is deposited onto one electrode and O. Students investigate and explain the relationship between electric currents and magnets and demonstrate the advantages. Featuring Matthew Dixon, group leader, CEB, and co-author of multiple Harvard Business Review articles, including “Kick-Ass Customer Service: Customers Want Results—Not Sympathy. Guards against overheating electric wires: a. Which type of circuit is Circuit A? a. To minimize the current. an electric current is passed through. How could you produce an electric charge? Give an example of an electrically charged object and how it behaves. static electricity d. But there was one problem. (Lesson 5) • Some materials allow electric current to flow more easily than others. You are advised to go through Lessons 1, 2 & 3 and do Exercises 1, 2 & 3 thoroughly before attempting this quiz. uses an applied electrical current b. Physical Science Key Term Review: Electricity Students will match key terms for electricity with their definitions, in this vocabulary review for physical science. Electrical Engineering Animation. Activities include: • a discussion about electrical circuits to reinforce knowledge and highlight misconceptions • students look at how current flows in series and parallel circuits • how the flow of current is affected by resistors • setting up circuits and drawing circuit diagrams • an introduction and demonstration on the use of. 10 Look at the circuit diagrams and answer the questions. An electric current is a flow of electric charge. Direct current is not easily converted to higher or lower voltages. Just like water flow in a pipe: How much water passes a point each second is defined as current also. -Voltage is the push that makes electric current flow in a circuit. We have adapted electricity in our lives so much that it becomes impossible to imagine life without it. Draw in your notebook the symbols to represent the following components of electrical circuits: connecting wires, switch in the 'OFF' position, bulb, cell, switch in the 'ON' position, and battery. As the rat moved about the box it would accidentally knock the lever. aqueous solution f. If this is the first performance review from your current employer, ask coworkers what to expect. An electric current is nothing more than moving electric charges. in section 395. Science 10 Unit 1—Electricity and Magnetism Activity 7—Chapter 3 Review Page 1 Science 10-Electricity & Magnetism Activity 7 Review Sheet on Chapter 3 Static and Current Electricity 1. Electrical Charges. Electrical hazards can cause burns, shocks, and electrocution (death). Storylines are. TRUE - Physicists often speak of conventional current as the direction that positive charge moves through a circuit. Physical Science Test: Electricity This physical science test will help you assess students' knowledge and understanding of electricity. Study the circuits and then answer the questions below. In particular, natural gas prices were forecast to remain relatively flat in line with prices expected for 2008 ( IEA 2008 ), but the widespread application of hydraulic fracturing in the United States led to a 41% expansion of US natural. car and driver save 79% subscribe give a gift visit the website customer service. The second edition has been thoroughly revised to increase clarity, update data and current event impacts, and incorporate the feedback from many reviewers and adopters. In the example below,. Electric current can be directly measured with a galvanometer, but this method involves breaking the electrical circuit, which is sometimes inconvenient. As a cosmetologist you will use many electrical appliances, and knowledge of electricity can help you use them safely and effectively. (A) •Ampere is the amount of charges that flow in and out of the wire in one second. 534 Series and Parallel Circuits F. homogeneous mixture of two or more substances in a single. an electric current is passed through. Students are getting ready for a unit test, so today's goal is to review the major concepts of electrostatics and electricity. stronger 12. Take this quiz to find out how much you know about electricity and how it works. In particular, for posttraumatic stress disorder, it has been estimated that as few as 2% of patients receive sufficient treatment in the form of traditional exposure (30 ⇓ –32). Build a simple electric circuit using a battery as the electrical energy source, and a small light bulb as the electrical load (I suggest using a 6-volt "lantern" battery and a miniature incandescent light bulb rated for either 6 or 12 volts). current graph of a conductor is given below. Electrical Formulas, Conversion Tables, Symbols, Charts, Wiring Diagrams, Conduit Bending and more. d) Current is not consumed in the electrical circuits. A material that conducts electricity will. You are advised to go through Lessons 1, 2 & 3 and do Exercises 1, 2 & 3 thoroughly before attempting this quiz. Glencoe Physical Science Chapter 7: Electricity Chapter Review & Standardized Test Practice Answer Keys study guide by heatherthinkalready includes 33 questions covering vocabulary, terms and more. The electric field strength between two parallel plates with a potential difference V and separated by a distance d is 4/5/2010 18 Electrostatics Current is the movement of charge. An electric current is nothing more than moving electric charges. Students will learn methods for calculating the rate of flow in an electric current. At three o’clock in the afternoon on September 4, 1882, the electrical age began. -Volt is the unit of voltage. Forms of Energy Review (PPT ) Energy Conversions, KE, PE, Heat Problems, Temperature, Transfer of Heat (PPT ) Heat Problems and Phases of Matter Review (PPT ) Energy Conversions Review (PPT ) Insulation, PE, KE, Transfer of Heat (PPT ) Study Guide. Lacking the appropriate instruments, he instead shocked himself with the current and then estimated the pain. com will receive sales commission if you purchase items that we refer on Amazon. Download with Google Download with Facebook or download with email. Answer: ADG. 8 kW of power when connected to a potential difference of 120 V. Electric Potential and Field ! Capacitors and capacitance ! Current and resistance, OhmÕ s law! DC Circuits and Kirchof fÕs laws ! RC circuits! Lorentz force and motion of charge in a magnetic field! Biot and Savart! AmpereÕ s law (MTE3, so study it!)! Read chapters 28 (no 28. Electrical Troubleshooting and Electrical Repairs: Simple and Easy to Understand, including Wiring Diagrams, Step by Step Instructions and Electrical Pictures. Some examples of electricity are lightning and static electricity. Cl 25) An electrolytic cell differs from a voltaic cell in that the electrolytic cell a. Reinforcement masters are espe-cially helpful for students who require additional. Basic Electrical & Electronics Interview Questions & Answers Electrical & Electronics Interview Questions/Answers Electrical & Electronics Notes & Articles Trending Up tp 93% Off - Launching Official Electrical Technology Store - Shop Now!. Nervous System Review ( 9-1 to 9. Perfect prep for Review of Magnetic Forces and Fields quizzes and tests you might have in school. OHM’s Law Theory: If I is the current flowing through the conductor when a potential difference V is applied, then according to Ohm’s Law the relation between the applied potential difference V and flowing current I is give by. Introductory Physics II Electricity, Magnetism and Optics by RobertG. voltage drop to a minimum when performing electrical wiring. Also use microamps (10-6 A) milliamps (10-3 A) Current: The number of charges that pass a given point each second. Physics Unit Review Answers. 3e • Magnetism is another form of energy that is created by the movement of electrons. much current does the refrigerator draw? 3. Discuss why some materials can be magnetized while others cannot. Death was frequently caused by electrical overstimulation of the heart. d of 220 V and resistance is 70 Ω. Answer the following questions on a separate sheet of paper. The pedagogy and approach are based on over 20 years of teaching and reflect the results of physics. com, you have the option to purchase a practice test kit based on the 2011, 2014 or 2017 NEC Codes. dry Critical Thinking 1. Alternating current has a sinusoidal voltage, that's how it alternates. Closed Circuit A circuit in which there is a complete path for electricity to flow. The electric field at the point q due to Q is simply the force per unit positive charge at the point q : E = F/ q E = KQ/r 2 The units of E are Newtons per Coulomb ( units = N/C ). About this quiz: All the questions on this quiz are based on information that can be found at Physics: Electric Current. Also offer them to analyze their current practices that may not be as efficient and profitable as should be. current of injury, diastolic the current that flows from injured to noninjured tissue during electrical diastole. 19 2 Review And Reinforcement Answers. Review of Magnetic Forces and Fields quiz that tests what you know. how much current is drawn by a new and old battery?. Pocket Lab Series Resistance Hook up a power supply, a resistor, and an ammeter in a series circuit. SECTION 2 Electricity and Magnetism 431 Electric Current and Magnetism In 1820, Hans Christian Oersted, a Danish physics teacher, found that electricity and magnetism are related. The course is a 1 credit course that meets for one 2-hour session each week. Energy is the ability to cause change. 0 m directly in front of one of the speakers (perpendicular to the plane of the speakers), a point of maximum constructive interference, perfect destructive interference, or something in between?". These principles govern the levitation of maglev trains. Household currents are usually as large as several amps. electricity - Generators - A generator is a motor working in reverse: a motor changes electrical energy into mechanical energy, but a generator produces electrical energy from mechanical energy. Play this game to review General Science. Water can-not be used to distinguish fire caused by electric current because : This objective type question for competitive exams is provided by Gkseries. Topic 1 - Electrical Charges 1. elle decor. Open Circuit A circuit in which there is a break so current cannot flow. Shown here is a simplified representation of an electrical power plant and a house, with the source of electricity shown as a battery, and the only electrical "load" in the house being a single light bulb: Power plant House Power lines Why would anyone use two wires to conduct electricity from a power plant to a house, as shown, when. Using Electricity and Magnetism ANSWER KEY Using Electricity and Magnetism 18. When electrons are made to flow in a current through a conductor, such as a piece of metal or a coil of wire, the conductor becomes a temporary magnet - an electromagnet. is exothermic d. About Khan Academy: Khan Academy offers practice exercises. I can explain what factors affect the strength of an electrical field. Reinforcement & Vocabulary Review Worksheets To jump to a location in this book 1. current of injury, diastolic the current that flows from injured to noninjured tissue during electrical diastole. What kind of material do the connecting wires in a circuit have to be made of? Why?. 534 Series and Parallel Circuits F. A common form of time-varying current is the sinusoidal current or alternating current (ac). The north and south poles of an electromagnet are related to the direction of the current. Take a free practice test to see how prepared you are for an electrician certification test. ) Do you think electrical current flows more easily in conductors or insulators? (Answer: Electrical current flows more easily in conductors because electrons move better in conductors. Electricity is a form of energy and it occurs in nature, so it was not “invented. Similarly, the distance from I 4 to mirror M 1 is equal to the distance from I 5 to mirror M 1. As you are probably aware, there is a button on the handle. ballast - A device required by electric-discharge light sources such as fluorescent or HID lamps to regulate voltage and current supplied to the lamp during start and throughout operation. stronger 12. An alternating current(ac) is a current that varies sinusoidally with time. a galvanometer 3. Physical Science Concept Review Worksheets with Answer Keys. The current flowing to the motor was 2. Reinforcement masters are espe-cially helpful for students who require additional. Thomas Edison and Nikola Tesla fight the electric current war in Buffalo, 1901 which also reported the same questions and answers as the Courier, with one more added. Current transformers Principle of operation of CT A current transformer is defined as "as an instrument transformer in which the secondary current is substantially proportional to the primary current (under normal conditions of operation) and differs in phase from it by an angle which is approximately zero for an appropriate direction of the connections. Some examples of electricity are lightning and static electricity. Perfect prep for Review of Magnetic Forces and Fields quizzes and tests you might have in school. • Electricity and Magnetism are related. Example 1 Determine the current flowing through the electric heater have p. The SI unit of electric power is the joule per second, or, which is abbreviated. Answers to the Study Guide pages are included in the Teacher Guide and Answers section at the back of this book. Chapter 1 Electricity Section 2 Electric Current, adopted. An electric current is the rate at which charges pass a given point. Topic 1 – Electrical Charges 1. electric energy b. 680-701) and/or from notes in class. Electric Circuits Guided Textbook Solutions from Chegg. Another way of saying this is that the electricity “flows” from the source to the bulb to make it light up. In an electrical circuit, the current flows from the point where the electrical potential is highest to the point where it is lowest. Review of Magnetic Forces and Fields quiz that tests what you know. temporary 6. Physical Science Test: Electricity This physical science test will help you assess students' knowledge and understanding of electricity. Home; 10 - Worksheet types of circuits, symbols and drawing ANSWERS. Electricity Worksheets and Activities Electric Circuits Cloze : This cloze activity reviews some basic concepts about electric circuits including current, resistors, switches, and voltage. Electric current is the sustained movement of charges in a conductor. ∆PE = -qEd As a charge moves, it gains KE, and loses PE. Some give credit to Benjamin Franklin for discovering. As the rat moved about the box it would accidentally knock the lever. We talk about electric current in units called amperes, or amps. One is 100 ohms and the other is 300 ohms. What trait in pea. an older battery may have a resistance of 15 Ω. Skinner used the rat to demonstrate positive reinforcement, but he also utilized the same test to prove negative reinforcement. An electric radiator uses a voltage of 240 V and draws a current of 2 A for a total time of 3 hours. The ampere D. ballast - A device required by electric-discharge light sources such as fluorescent or HID lamps to regulate voltage and current supplied to the lamp during start and throughout operation. The adjective "electric" is implied by the context of the situation being described. Study the circuits and then answer the questions below. Also use microamps (10-6 A) milliamps (10-3 A) Current: The number of charges that pass a given point each second. Resistor Symbols. Static electricity is fast movement of electrons makes energy in electricity. The page numbers are displayed in the bar at the bottom of the document. ) Do you think electrical current flows more easily in conductors or insulators? (Answer: Electrical current flows more easily in conductors because electrons move better in conductors. Current, resistance, and resistivity review. Electromagnets are magnetic only when an electric current flows through them. Explain Ohm's law. Most states require an electrician to pass an exam to recieve a journeyman or master electrician license. Electricity is a form of energy resulting from the existence of charged particles either statistically as build- up of charged or dynamically as a current. Download with Google Download with Facebook or download with email. T he Intergovernmental Panel on Climate Change (IPCC) says as much, and the current average carbon factor is already lower than gas. A current is introduced, either from a battery or another source of electricity, and flows through the wire. During the early years of electricity, direct current (shorthanded as DC) was the standard in the U. Science 10 Unit 1—Electricity and Magnetism Activity 7—Chapter 3 Review Page 1 Science 10-Electricity & Magnetism Activity 7 Review Sheet on Chapter 3 Static and Current Electricity 1. air resistance 12. In electric circuits moving electrons in a wire often carries this charge. an electric current is passed through. The fire can still catch if there is no electricity coming in to your gas fireplace. Familiarize yourself with how it all works to feel more in control. Electronic devices have first used vacuum tubes in which electrons flow, in partial vacuum , in the form of an electronic beam. The City School / Reinforcement Worksheet/ EoY 2015 / Science / Class 8/ Electrical Circuits Page 3 of 7 (c) Fred then made circuit 2 as shown: In the table below, tick a box to show whether circuit 1 and circuit 2 are series or parallel circuits. How does temperature. An electrical current is the movement of negative electrical charges (electrons) through a conductor (electrical wire, metal foil, etc. What is electric current? 2. An electric motor is used to change mechanical energy into electrical energy. ANSI code - American National Standards Institute (ANSI) code that indicates the electrical operating designation of the lamp, which must match that of the ballast. 00025 cubic meters of water to an 0. How could you produce an electric charge? Give an example of an electrically charged object and how it behaves. The circle next to the answer will turn yellow. These concepts include Coulomb's Law, electric fields, and Ohm's Law (). electricity, although electricians may also benefi t from a review. Electric current is equal to the number of Coulombs of charge which move past a point on a circuit per unit of time. Static electricity is fast movement of electrons makes energy in electricity. The second value of VoF is calculated for the case, when the DSO decides to postpone the reinforcement of cables in year 3. stronger 12. increases 7. Answer: See answers below. Properties of Electric Current. electricity c. Electric Current (Charges in Motion!) • Current: net flow of charge across any cross section of a conductor, measured in Amperes (Andre-Marie Ampere (1775-1836), a French mathematician and physicist) • Current can be thought of as the rate of change of charge: dt dq i = SM 16 EECE 251, Set 1 Electric Current. Use their answers as jump points into your introduction of electricity. Nervous System Review ( 9-1 to 9. We work diligently to ensure our coal-fired plants comply with all state. ” As to who discovered it, many misconceptions abound. microwelds 10. Electrical motors fall into two broad categories, depending on the type of electrical power applied-direct current (DC) and alternating current (AC) motors. The plates are 10 mm thick. Electric Current (page 604) 1. Since whenever there is current there is charge, both electric and magnetic fields exist. Get free 2-day shipping on qualified Voltage Tester, Electrical Testers products or buy Electrical department products today with Buy Online Pick Up in Store. com, you have the option to purchase a practice test kit based on the 2011, 2014 or 2017 NEC Codes. The circle next to the answer will turn yellow. Generation b. Fill in the blanks together to reinforce. When are materials said to be electrically charged? Materials are positively charged if They have an uneven number of protons and electrons 2. Electrical current in a metal is a flow of electrons. _____ What do you call the tiny particles that make up matter? a. Physics chapter 20 study guide static electricity answers Click here to download the individual chapters Handouts Agendas Pre Lab Format Physics Reading Logs Vocab Sheet PDF Chapter 1- Reflection Reflection Study Guide 2013 *Reflection Chapter 5 Static electricity Notes 2012 Answer Key. • System performance. Schneider Electric is a great company to work for, exhibiting a culture of integrity and putting the customer's needs first. That's great, but the school's current cooktops are all gas appliances. An Act providing for the licensing and bonding of persons, firms or corporations engaged in or carrying on the business of installing wires to convey electric current, or electric apparatus to be operated by such current,. Electric current cannot exist without an unbroken path to and from the conductor. elle save 90% subscribe give a gift visit the website customer service. An electricity generator is a device that converts a form of energy into electricity. To enforce standardisation and co-ordination amongst various railway systems, the Indian Railway Conference Association(IRCA) was set up in 1903, followed by the Central Standards Office (CSO) in 1930, for preparation of designs, standards and. Manual ranging digital multi-meter could test 600-Volt AC/DC voltage, 10 Amp AC current and 2-resistances. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Ugly's Electrical References book is a popular pocket-sized book used by electricians, engineers, contractors, designers, maintenance workers, instructors, and the military. Reinforcement CHARGE! 1. Answer key is a. o An electric current creates a magnetic field, and a moving magnetic field creates an electric current. If you want to learn about current trends in electrical engineering, review these essential terms. Zurawski's Classes. Electricity -- the flow of electrical power -- is a secondary energy source generated by the conversion of primary sources of energy like fossil, nuclear, wind or solar. electric current 13. Electric Current and Flow of Charge If we connect the conductor to a battery, potential difference between the ends of the conductor occurs. Thomas Edison and Nikola Tesla fight the electric current war in Buffalo, 1901 which also reported the same questions and answers as the Courier, with one more added. Microcurrent Therapy. How does the thickness. This vibrates the air in front of the speaker, producing sound waves. When current flows, the electromagnet rotates in the perma-nent magnet, and the electromagnet becomes a temporary magnet. (A) •Ampere is the amount of charges that flow in and out of the wire in one second. The heating element of an electric broiler dissipates 2. Electric current is the flow of electric charge just as water current is the flow of water molecules. Which circuit is a parallel circuit? _____ 3. Tick only two boxes. Future studies should rigorously test whether the current neural reinforcement approach may generalize to different forms of anxiety-related illnesses. I can explain what factors affect the strength of an electrical field. Electricity Review and Reinforce Class Electric Charge and Static Electricity Understanding Main Ideas The person whose finger is shown below has walked across a carpet and is about to touch the doorknob. stronger 12. electrolyte g. Chapter 34: Electric Current Chapter Exam Instructions. Become familiar with engineering numbers and notation, and learn about the two most important electrical quantities: current and voltage. electrical 4. But to answer your. electric power d. A substance whose water solution does not conduct an electric current is a(n): Check Hint Show answer Which of the following substances, when dissolved in a water solution, will allow current to flow in the device pictured above, resulting in the lightbulb becoming lit?. Remember that you set your pace, in your Open-Learning. Sleeper Berth Provision. 15 hours ago · “To answer this question, we first need to better understand the molecular processes underpinning embryonic development,” said Professor Frank Bradke, group leader at DZNE’s Bonn site and head of the study. This vibrates the air in front of the speaker, producing sound waves. electrical engineering 770 objective questions and answers in one pdf. 5 volt alkaline battery has a resistance of 0. This app provides a quick summary of essential concepts in Electrical Engineering by following snack sized chapters: Introduction, Basics of Electricity, Electric Current, Magnetism, Series and Parallel Circuits, Kirchhoff's Laws, A. Chapter 20 Electricity Section 20. The only potential downside is the size of the company. A motor turns electrical energy into mechanical energy and a generator turns mechanical energy into electrical energy. Perfect prep for Review of Magnetic Forces and Fields quizzes and tests you might have in school. As the rat jumps around in panic, looking for a way to escape the shock, by chance the rat presses the bar. This crossword contains the following questions and answers: What type of electricity does not move Static What type of electricity does move Current The process in which heat energy is transmitted between two objects Conductor. pdf: File Size: 233 kb: File Type: pdf. The most widely used type of electrotherapy is transcutaneous electrical nerve stimulation, or TENS. Buy E-Joy Ceramic Portable Personal Electric Space Heater 500 Watt at Walmart. The following are not electrical in nature: d. The City School / Reinforcement Worksheet/ EoY 2015 / Science / Class 8/ Electrical Circuits Page 3 of 7 (c) Fred then made circuit 2 as shown: In the table below, tick a box to show whether circuit 1 and circuit 2 are series or parallel circuits. (Note: Click to reveal the answers. Firstly, Electricity is the movement of electrons (Or positive "holes") Some basic principles of electricity: -Opposite electrical charges always attract each other, and Like electrical charges. Thank you for your support. 260 was: LICENSING AND BONDING OF ELECTRICIANS. Just like water flow in a pipe: How much water passes a point each second is defined as current also. The rate at which electrical energy is converted to another form of energy is called. 194 A CHAPTER 7 Electricity and Magnetism Apply It! Before you read, skim the questions in the Chapter Review. electric power d. views on the efficacy and ethics of punishment. Instructions: To take the quiz, click on the answer. Take the Voltage, Current, and Resistance (Basic Electricity) worksheet. TRUE - Physicists often speak of conventional current as the direction that positive charge moves through a circuit. Electricity powers our computers, kitchen appliances, televisions, and even some cars. Today's conference is being recorded. Devices, at the circuit level, use various techniques to measure current:. As fortune would have it, I was contacted a few weeks ago by thediyoutlet. Reinforcement & Vocabulary Review Worksheets To jump to a location in this book 1. Electric fuse—contains a small piece of metal that melts if the current becomes too high, opening the circuit and stopping the flow of current b. Answers to worksheet 1 are provided below at relevant points and also on page 47. This button is meant to begin a capacitor’s discharging process, which produces an electric current in the circuit. Is the following sentence true or false? Electric power is calculated by multiplying current times voltage. What term refers to the sum of all of the forces acting on an object? 5. Take our electricity quiz for kids and learn some new information about electric currents, batteries, electrical power, light bulbs, conductors and more. When are materials said to be electrically charged? Materials are positively charged if They have an uneven number of protons and electrons 2. The title of H. ANSWER KEY Electricity Choose the best answer for each question. The heating element of an electric broiler dissipates 2. This means that some event (a stimulus) causes the. How does the thickness. Worksheet: Current Electricity Test Review. Section: Electric Charge and Static Electricity ELECTRIC CHARGE 1. Take unlimited tests on your computer, phone or tablet. Electric fuse—contains a small piece of metal that melts if the current becomes too high, opening the circuit and stopping the flow of current b. change mechanical energy to electrical energy d. Our online electrical safety trivia quizzes can be adapted to suit your requirements for taking some of the top electrical safety quizzes. 25 ampere of current to op crate. for railways,trams, trolleys etc). 3 Identify conductors and insulators in an electrical circuit. Electric Charge Section 1 Reinforcement Answer Key. An electric circuit works by providing a closed loop to allow current to flow through a system. Also use microamps (10-6 A) milliamps (10-3 A) Current: The number of charges that pass a given point each second. This curriculum unit is designed to teach a few basic concepts of electricity to middle school students. In reinforcement learning, there is a known example of a robot/agent that is placed in a random room whose task is to find the exit of a house. Physical Science Key Term Review: Electricity Students will match key terms for electricity with their definitions, in this vocabulary review for physical science. electric power d. Comprehensive whole unit review worksheet on static electricity contains 15 questions of various types except multiple choice. The region surrounding a loop of a current-carrying wire. Use their answers as jump points into your introduction of electricity. Generators operate because of the relationship between magnetism and electricity. Electric Current and Flow of Charge If we connect the conductor to a battery, potential difference between the ends of the conductor occurs. In the United States, over two million households already have solar panels on their roof; utilities and companies across the country are also investing in solar farms to capture the sun’s energy at a larger scale. Glencoe Physical Science Chapter 7: Electricity Chapter Review & Standardized Test Practice Answer Keys study guide by heatherthinkalready includes 33 questions covering vocabulary, terms and more. What is the path along which electric charges flow called? 3. When the voice coil moves, it pushes and pulls on the speaker cone. Lacking the appropriate instruments, he instead shocked himself with the current and then estimated the pain. Use the following diagram to answer the questions below:. What do we mean by electric current in a copper wire? Since copper has one weakly. In order for current to flow, electrons must move from the filled valence band to the empty conduction band.