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Voltage, Current and Resistance

Voltage, Current and Resistance
An ohmmeter is an instrument for measuring

resistance
voltage
current
wattage

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Voltage, Current and Resistance
An ammeter is an electrical instrument used to measure

current
resistance
voltage
None of these

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

become neutral
attract
repel
become negative

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Voltage, Current and Resistance
A wiper is the sliding contact in a

switch
photoconductive cell
potentiometer
thermistor

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Voltage, Current and Resistance
Current flows in a circuit when

there is no voltage
a switch is opened
a switch is closed
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?

20 A
10 A
24 A
a fuse is not necessary

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MORE MCQ ON Voltage, Current and Resistance

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