RL Circuits - General Questions

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RL Circuits - General Questions

Which of the following statements is true about a lag network?

A.	An increase in frequency causes an increase in phase lag.
B.	An increase in frequency causes an increase in the magnitude of the output voltage.
C.	A decrease in frequency causes an increase in phase lag.
D.	A decrease in frequency causes a decrease in the magnitude of the output voltage.

Answer: Option A

Explanation:

No answer description available for this question

mcq12_1001_1 (2)

Which of the following statements is true if R = 100 omega and X_L = 100 omega in the circuit in the given circuit?

A.	Each component drops 5 V.
B.	The impedance equals 200 .
C.	The power factor equals 1.
D.	The phase angle equals 45°.

Answer: Option D

Explanation:

No answer description available for this question

mcq12_1004_1 (2)

Which of the following statements is true if R₁ opens in the circuit in the given circuit?

A.	IL2 increases.
B.	ZT decreases.
C.	VS increases.
D.	VL1 equals 0 V.

Answer: Option D

Explanation:

No answer description available for this question

What is the magnitude of the phase angle between the source voltage and current when a 100 mH inductor with an inductive reactance of 6 k omega and a 1 k omega resistor are in series with a source?

A.	0.1°
B.	9.0°
C.	61.0°
D.	81.0°

Answer: Option D

Explanation:

No answer description available for this question

mcq12_1001_1 (1)

Which of the following statements is true if the frequency decreases in the circuit in the given circuit?

A.	The phase angle decreases.
B.	VR decreases.
C.	IT decreases.
D.	VS decreases.

Answer: Option A

Explanation:

No answer description available for this question.

What is the magnitude of the phase angle of a 24 Vac parallel RL circuit when R = 45 and X_L = 1100 ?

A.	0.001°
B.	2.3°
C.	87.6°
D.	89.9°

Answer: Option B

Explanation:

No answer description available for this question

mcq12_1004_1 (1)

Calculate the voltage dropped across L₂ in the given circuit.

A.	18 V
B.	6 V
C.	13.5 V
D.	0 V

Answer: Option B

Explanation:

No answer description available for this question

mcq12_1001_1 (1)

Which of the following statements is true if the inductor shorts out in the circuit in the given circuit?

A.	Each component drops 5 V.
B.	The impedance equals 0 .
C.	The power factor equals 1.
D.	The phase angle equals 90°.

Answer: Option C

Explanation:

No answer description available for this question

RL Circuits - General Questions

RL Circuits - General Questions

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