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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)

semiconductor
valence
conductor
insulator

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Voltage, Current and Resistance
Current flows in a circuit when

the switch is either open or closed
there is no voltage
a switch is closed
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, silver
orange, violet, red, silver
yellow, violet, orange, gold
yellow, violet, red, gold

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

rheostat
potentiometer
wiper
thermistor

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

potentiometer
thermistor
photoconductive cell
switch

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Voltage, Current and Resistance
A neutral atom with an atomic number of five has how many electrons?

depends on the type of atom
none
1
5

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MORE MCQ ON Voltage, Current and Resistance

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