# Electronics - Ohm's Law

### Exercise :: Ohm's Law - General Questions

11.

What is the power in the given circuit?

 A. 32 W B. 80 W C. 500 W D. 16 kW

Explanation:

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12.

Ohm's law describes the mathematical relationship between

 A. ohms, kilohms, and megohms B. resistor size and resistor value C. resistance, voltage, and current D. none of the above

Explanation:

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13.

Energy is defined as the ability to

 A. produce heat B. produce light C. produce sound D. All of the above

Explanation:

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14.

What electromotive force would cause 20 A of current to flow through a 500 resistor?

 A. 0.04 V B. 2.5 V C. 25.0 V D. 10,000 V

Explanation:

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15.

The rate at which work is performed is called

 A. current B. energy C. power D. voltage