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RL Circuits MCQ Questions & Answers | Electrical Engineering

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

1
If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit
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Answer: Option D
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2
A filter passes certain frequencies and rejects others.
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Answer: Option A
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3
When the frequency of the voltage applied to a series RL circuit is decreased, the impedance decreases
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Answer: Option A
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4
When the frequency is decreased, the impedance of a parallel RL circuit
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Answer: Option B
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5
In an RL circuit, the impedance is determined by both the resistance and the inductive reactance combined.
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Answer: Option A
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6
A 1.5 kΩ resistor and a coil with a 2.2 kΩ inductive reactance are in series across an 18 V ac source. The power factor is
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Answer: Option B
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7
Total current in an RL circuit always lags the source voltage.
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Answer: Option A
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8
When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle
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Answer: Option A
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9
The phase angle (θ) of a series RL circuit varies directly with frequency.
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Answer: Option A
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10
A 140 Ω resistor is in parallel with an inductor having 60 Ω inductive reactance. Both components are across a 12 V ac source. The magnitude of the total impedance is
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Answer: Option B
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