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VOLTAGE, CURRENT AND RESISTANCE

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

thermistor
potentiometer
wiper
rheostat

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Voltage, Current and Resistance
Eight-tenths coulomb passes a point in 4 s. The current in amperes is

16 A
0.2 A
1.6 A
2 A

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Voltage, Current and Resistance
When the current is 2.5 A, how many coulombs pass a point in 0.2 s?

0.5 C
12.5 C
5 C
1.25 C

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

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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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