Electronics - Resistance and Power

Exercise :: Resistance and Power - True or False

1. 

A 12-volt battery is delivering 3 amperes to a resistor. The power dissipated by the resistor is 4 watts.

A. True
B. False

Answer: Option B

Explanation:

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2. 

Resistance limits the flow of current.

A. True
B. False

Answer: Option A

Explanation:

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3. 

If 500 mA is flowing through a 10 resistor, the wattage rating of the resistor should be 2 watts.

A. True
B. False

Answer: Option B

Explanation:

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4. 

A digital voltmeter can be used to measure resistance.

A. True
B. False

Answer: Option A

Explanation:

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5. 

Carbon composition resistors are the most common and the least expensive type of fixed-value resistor.

A. True
B. False

Answer: Option A

Explanation:

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