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Ohm's Law

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

80 V
8 V
50 V
500 V

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Ohm's Law
What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA?

82
8.2
820
8.2 k

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Ohm's Law
How much resistance is needed to draw 17.6 mA from a 12 volt source?

680
68
212
6.8 k

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Ohm's Law
When 12 V are applied across a 68 resistor, the current is

8.16 mA
176 mA
816 mA
17.6 mA

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Ohm's Law
A resistance of 3.3 M is connected across a 500 V source. The resulting current is approximately

66 mA
151 µA
660 mA
15.1 µA

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

18 V
72 V
7.2 V
1.8 V

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