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Voltage, Current and Resistance

Voltage, Current and Resistance
A material that does not allow current under normal conditions is a(n)

conductor
valence
semiconductor
insulator

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Voltage, Current and Resistance
Materials with lots of free electrons are called

insulators
semiconductors
filters
conductors

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Voltage, Current and Resistance
Current flows in a circuit when

there is no voltage
a switch is closed
a switch is opened
the switch is either open or closed

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Voltage, Current and Resistance
The current in a given circuit is not to exceed 24 A. Which value of fuse is best?

a fuse is not necessary
20 A
24 A
10 A

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Voltage, Current and Resistance
When placed close together, two positively charged materials will

attract
repel
become neutral
become negative

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Voltage, Current and Resistance
The minimum resistance value for a blue, gray, red, silver resistor is

6460
6120
612
6800

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MORE MCQ ON Voltage, Current and Resistance

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