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Voltage, Current and Resistance

Voltage, Current and Resistance
Current flows in a circuit when

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

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Voltage, Current and Resistance
The colored bands for a 4,700 ohm resistor with a ten percent tolerance are

yellow, violet, red, gold
yellow, violet, orange, gold
orange, violet, red, silver
yellow, violet, red, silver

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Voltage, Current and Resistance
A two-terminal variable resistor is known as a

potentiometer
wiper
rheostat
thermistor

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

potentiometer
photoconductive cell
switch
thermistor

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Voltage, Current and Resistance
The unit of electrical charge is the

coulomb
ampere
volt
joule

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Voltage, Current and Resistance
A red, red, orange, gold resistor has a nominal value of

22000
22
2.2
2200

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MORE MCQ ON Voltage, Current and Resistance

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