RLC Circuits and Resonance interview question

11.

What is the resonant frequency in the given circuit?

A.     11.6 Hz
B.     275.8 Hz
C.     1.5 kHz
D.     3.2 kHz
Answer & Explanation

Answer: Option D

Explanation:

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12.

Series RLC voltage or impedance totals must be calculated by:
A.     subtracting the values
B.     graphing the angles
C.     adding vectors
D.     multiplying the values
Answer & Explanation

Answer: Option C

Explanation:

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13.

What is the total current?

A.     15.6 mA
B.     17.8 mA
C.     21.9 mA
D.     26.0 mA
Answer & Explanation

Answer: Option A

Explanation:

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14.

When XC = XL the circuit:
A.     draws maximum current
B.     applied voltage is zero
C.     is at resonance
D.     draws minimum current
Answer & Explanation

Answer: Option C

Explanation:

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15.

How much current will flow in a series RLC circuit when VT = 100 V, XL = 160 omega.gif, XC = 80 omega.gif, and R = 60 omega.gif?
A.     1 A
B.     1 mA
C.     6.28 A
D.     10 A
Answer & Explanation

Answer: Option A

Explanation:

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