The flow of electric charges is A. Electricity B.Electric current C. Resistance
Electric current
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-When a switch is ____________, electric current can move through the circuit. A. off B. on
on
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How do wires work? A. they keep the charge from moving randomly . B. they allow a current of electricity to flow.
they allow a current of electricity to flow
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What is the main purpose of a battery? A. to pump electricity through the wires. B. to make things go.
to pump electricity through the wires
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………. is a material through which an electric charge can move easily. A. An electric current B. An insulator C. A conductor
conductor
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………….. is an electric charge in motion. A. An insulator B. An electric current C. A conductor
An electric current
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……….. is a material through which an electric charge moves slowly. A. A conductor B. An insulator C. An electric current
insulator
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Which of these statements about insulators and conductors is true? A. Most insulators are made of metal, but most conductors are not. B. A conductor allows electric charges to move easily. C. An insulator allows charges to move easiy
A conductor allows electric charges to move easily.
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What happens when you remove a bulb from a series circuit? A. All of the bulbs turn off. B. The other bulbs stay on. C. The other bulbs get brighter.
All of the bulbs turn off
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The source of energy in electric circuits. A. Battery B. Switch C. Wire
battery
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A device that opens or closes a circuit. A. A wire B. A battery C. A switch
switch
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carry electric charges. A. wires B. A battery C. A switch
wires
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is the circuit with no gaps, or breaks. So the electric current will flow. A. An open circuit B. A closed circuit
closed circuit
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is the circuit that has gaps, cutting, or breaks. So that the current cannot flow. A. An open circuit B. A closed circuit
open circuit
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a type of connection in which the electric charge can flow in only one circular path in a single loop. A. Series circuit "connection" B. Parallel circuit "connection"
Series circuit "connection
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Has two or more paths through which electric charges may flow. A. Series circuit "connection" B. Parallel circuit "connection