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

Answer: Option A

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

Answer: Option C

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

Answer: Option D

Explanation:

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14. 

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

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

Answer: Option D

Explanation:

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15. 

The rate at which work is performed is called

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

Answer: Option C

Explanation:

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