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- 1. Multiple Choice
Metals such as copper and aluminum are good ______________.insulatorsconductorscircuitscharges - 2. Multiple ChoiceWhat is current measured in?Ω (Ohms)V (Volts)A (Amps)W (Watts)
- 3. Multiple ChoiceCurrent is...moving protonsmoving electronsmeasured in voltsmeasured in ohms
- 4. Multiple ChoiceThe two types of current are...AC/DCAlternating CurrentDirect CurrentAll of the above
- 5. Multiple ChoiceVoltage is simply defined as...what 'pushes' electronswhat 'stops' electronsmoving electrons
- 6. Multiple ChoiceGood conductors are _______ resistorsbadgood
- 7. Multiple ChoiceGood insulators are _______ resistorsgoodbad
- 8. Multiple ChoiceIn the U.S most electrical outlets supply a voltage of....240 Volts120 Volts100 watts60 amps
- 9. Multiple Choice___________ wires keep electrons on course & protect us from the dangerous flow of electricity.InsulatedConducted
- 10. Multiple Choice
An electric current that continually reverses direction over time is known as a(n)
direct current
alternating current
simple current
- 11. Multiple Choice
An electric current that has constant magnitude and direction over time is known as a(n)
direct current
alternating current
simple current
- 12. Multiple Choice
In solid conductors, electric current is the flow of
positive and negative charges
electrons
negative ions
protons
- 13. Multiple ChoiceDefine electric current.It is the work done by the source in driving charges around a complete circuit.It is a measure of the rate of flow of electric charge through a given cross-section of a conductor.It is the work done by the source in driving a unit charge around a complete circuit.It is a measure of the flow of electric charge through a given cross-section of a conductor.
- 14. Multiple Choice
The continuous flow of electric charges through a material
electric current
electric circuit
voltage
parallel circuit
- 15. Multiple Choice
An electric current flowing in one direction only
voltage
parallel current
direct current
electric current
- 16. Multiple Choice
current consisting of charges that move back and forth in a circuit
alternating current
direct current
parallel current
electric current
- 17. Multiple Choice
A form of energy caused by the movement of electrons
electricity
voltage
electric current
parallel circuit
- 18. Multiple ChoiceThe movement of electrically charged particles iselectric currentelectric circuitelectric resistance
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