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RLC Circuits And Resonance MCQ Questions & Answers | Electrical Engineering

Learn RLC Circuits And Resonance MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. RLC Circuits And Resonance MCQ question is the important chapter for a Electrical Engineering and GATE students.

1
Resonance is a condition in a series RLC circuit in which the capacitive and inductive reactances are equal in magnitude.
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Answer: Option A
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2
If the value of C in a series RLC circuit is decreased, the resonant frequency increases
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Answer: Option A
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3
A lower Q produces a narrower bandwidth.
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Answer: Option B
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4
A certain series resonant circuit has a bandwidth of 2 kHz. If the existing coil is replaced with one having a higher value of Q, the bandwidth will
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Answer: Option C
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5
A 6.8 kΩ resistor, a 7 mH coil, and a 0.02 µF capacitor are in parallel across a 17 kHz ac source. The coil's internal resistance, RW, is 30 Ω. The equivalent parallel resistance, Rp(eq), is
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Answer: Option B
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6
The impedance at the resonant frequency of a series RLC circuit with L = 20 mH, C = 0.02 µF, and RW = 90 Ω is
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Answer: Option B
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7
In a parallel RLC circuit, the smaller reactance determines the net reactance of the circuit.
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Answer: Option A
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8
In a series RLC circuit, the larger reactance determines the net reactance of the circuit.
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Answer: Option A
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9
To tune a parallel resonant circuit to a higher frequency, the capacitance should be
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Answer: Option B
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10
The reactive voltages, VL and VC, cancel at resonance.
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Answer: Option A
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