Capacitors MCQ Questions & Answers | Electrical Engineering

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Current Affairs Interview Blog

Energy is stored by a capacitor in a magnetic field.

A) True B) False

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

XC is inversely proportional to frequency and capacitance.

A) True B) False

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Capacitance is directly proportional to plate area and plate separation.

A) True B) False

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

An uncharged capacitor and a 1 kΩ resistor are connected in series with a switch and a 6 V battery. At the instant the switch is closed, the voltage across the capacitor is

A) 6 V B) 3 V C) 2 V D) 0 V

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Total parallel capacitance is less than that of the smallest capacitor in parallel.

A) True B) False

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A 220 Ω resistor is in series with a 2.2 µF capacitor. The time constant is

A) 48 µs B) 480 µs C) 2.42 µs D) 24 µs

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A 4.7 MΩ resistor is in series with a 0.015 µF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge?

A) 35 ms B) 352 ms C) 3.5 ms D) 70.5 ms

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A 10 µF, 20 µF, 22 µF, and 100 µF capacitor are in parallel. The total capacitance is

A) 2.43 µF B) 4.86 µF C) 100 µF D) 152 µF

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Four 0.15 µF capacitors are in parallel. The total capacitance is

A) 0.15 µF B) 0.30 µF C) 0.6 µF D) 0.8 µF

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Answer & Solution

Answer: Option C

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The ohm is the unit of capacitance.

A) True B) False

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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