Electronics - RLC Circuits and Resonance

Exercise :: RLC Circuits and Resonance - General Questions

26. 

What is the bandwidth in the given circuit. If the winding resistance of the coil is 12 omega.gif?

A. 6.4 kHz
B. 47.2 kHz
C. 53.7 kHz
D. 60.2 kHz

Answer: Option A

Explanation:

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27. 

At any resonant frequency, what net voltage is measured across the two series reactive components?

A. Applied voltage
B. Reactive voltage
C. Zero voltage
D. VL + VC voltage

Answer: Option C

Explanation:

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28. 

If the bandwidth of a filter increases:

A. Q decreases
B. the roll-off rate increases
C. the half-power frequency decreases
D. the center frequency decreases

Answer: Option A

Explanation:

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29. 

Series RLC impedance or voltage totals must always be calculated by

A. adding values vectorially
B. graphing the angles
C. multiplying the values
D. subtracting the values

Answer: Option A

Explanation:

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30. 

What is the current through the capacitor in the given circuit?

A. 3.5 mA
B. 5.5 mA
C. 9 mA
D. 11.4 mA

Answer: Option A

Explanation:

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