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Voltage, Current and Resistance

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

thermistor
potentiometer
rheostat
wiper

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Voltage, Current and Resistance
Electrons in the outer orbit are called

waves
valences
nuclei
shells

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

switch
potentiometer
photoconductive cell
thermistor

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Voltage, Current and Resistance
Current flows in a circuit when

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

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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?

1.25 C
0.5 C
5 C
12.5 C

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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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