RLC Circuits and Resonance interview question

21.

What is the true power consumed in a 30 V series RLC circuit if Z = 20 ohms and R = 10 ohms?
A.     15.0 watts
B.     22.5 watts
C.     30.0 watts
D.     45.0 watts
Answer & Explanation

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
22.

What is the current phase angle for a parallel RLC circuit when IL = 15.3 A, IC = 0.43 A, and IR = 3.5 A?
A.     76.7 degrees
B.     –4.25 degrees
C.     88.8 degrees
D.     –76.7 degrees
Answer & Explanation

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
23.

At any resonant frequency, what voltage is measured across the two series reactive components?
A.     applied
B.     reactive
C.     zero
D.     inductive and capacitive
Answer & Explanation

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
24.

What is the resonance frequency?

A.     31.8 Hz
B.     71 Hz
C.     7.1 kHz
D.     31.8 kHz
Answer & Explanation

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.
View Answer Workspace Report Discuss in Forum
25.

What is the range between f1 and f2 of an RLC circuit that resonates at 150 kHz and has a Q of 30?
A.     100.0 kHz to 155.0 kHz
B.     147.5 kHz to 152.5 kHz
C.     4500 kHz to 295.5 kHz
D.     149,970 Hz to 150,030 Hz
Answer & Explanation

Answer: Option B

Explanation:

No answer description available for this question.