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Ohm's Law

Ohm's Law
An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately

3.1
385
31
38.5

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Ohm's Law
If 24 V are applied across a resistor and there are 10.9 mA of current, the resistance is

2.2 k
220 k
220
22 k

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Ohm's Law
How much current is produced by a voltage of 18 kV across a 15 k resistance?

12 mA
1.2 A
12 A
120 mA

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

68
6.8 k
212
680

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Ohm's Law
If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?

320 V
3.2 V
8 V
32 V

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Ohm's Law
How much resistance is required to limit the current from a 12 V battery to 3.6 mA?

2.2 k
3.3 k
33 k
22 k

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