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Ohm's Law

Ohm's Law
When there is 12 mA of current through a 1.2 k resistor, the voltage across the resistor is

10 V
14.4 V
1.4 V
100 V

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Ohm's Law
How much voltage is needed to produce 2.5 A of current through a 200 resistor?

8 V
50 V
500 V
80 V

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Ohm's Law
If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor?

14.6 V
146 V
8.25 V
82.5 V

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Ohm's Law
What is the voltage source for a circuit carrying 2 A of current through a 36 resistor?

72 V
18 V
1.8 V
7.2 V

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Ohm's Law
A 120 V lamp-dimming circuit is controlled by a rheostat and protected from excessive current by a 3 A fuse. To what minimum resistance value can the rheostat be set without blowing the fuse? Assume a lamp resistance of 20 ohms.

40
2
20
4

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Ohm's Law
Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor?

4 k
400
4.4
4

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