Electronics - RLC Circuits and Resonance

Exercise :: RLC Circuits and Resonance - General Questions

31. 

What is the total impedance of a 60 Hz series RLC circuit when XL = 7.5 ohms, XC = 265.3 ohms, and R = 33 ohms?

A. 257.8 ohms
B. 259.9 ohms
C. 290.8 ohms
D. 1989.75 ohms

Answer: Option B

Explanation:

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32. 

What is the total current for the nonideal circuit in the given circuit. If it is at resonance?

A. 0 A
B. 284 mu.gif A
C. 3.3 mA
D. 38.5 mA

Answer: Option B

Explanation:

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33. 

What is the high cutoff frequency for an RLC circuit that resonates at 2000 Hz and has a bandwidth of 250 Hz?

A. 2125 Hz
B. 2250 Hz
C. 1750 Hz
D. 8.0 Hz

Answer: Option A

Explanation:

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34. 

Current in a series RLC circuit may always be used as:

A. a leading vector
B. a reference
C. an angle
D. a lagging vector

Answer: Option B

Explanation:

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35. 

What is the impedance of the circuit?

A. 12.2 k
B. 14.5 k
C. 17.8 k
D. 20.3 k

Answer: Option D

Explanation:

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