Electronics - RL Circuits

Exercise :: RL Circuits - True or False

6. 

Phase angle is the difference in phase between the applied voltage (VS) and the circuit current (IT).

A. True
B. False

Answer: Option A

Explanation:

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7. 

If a 7.5 komega.gif resistance is connected to a 10 komega.gif inductive reactance in a series RL circuit, then the impedance equals 12.5 komega.gif .

A. True
B. False

Answer: Option A

Explanation:

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8. 

In a series RL circuit, a power factor of 0.5 results in less energy conversion to heat than does a power factor of 0.6.

A. True
B. False

Answer: Option A

Explanation:

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9. 

If Y = 20 mS, then Z = 20.

A. True
B. False

Answer: Option B

Explanation:

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10. 

The current lags the source voltage in a series RL circuit.

A. True
B. False

Answer: Option A

Explanation:

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