Capacitance and Capacitors MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Capacitance and Capacitors, a fundamental topic in the field of Basic Electrical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Capacitance and Capacitors MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Capacitance and Capacitors mcq questions that explore various aspects of Capacitance and Capacitors problems. Each MCQ is crafted to challenge your understanding of Capacitance and Capacitors principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Electrical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Capacitance and Capacitors MCQs are your pathway to success in mastering this essential Basic Electrical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Capacitance and Capacitors. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Capacitance and Capacitors knowledge to the test? Let's get started with our carefully curated MCQs!

Capacitance and Capacitors MCQs | Page 14 of 21

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Q131.
A capacitor is charged to a voltage of 400V and has a resistance of 20ohm. Calculate the initial value of charging current.
Discuss
Answer: (d).20A
Q132.
A capacitor is charged to a voltage of 400V and has a resistance of 20ohm. Calculate the initial value of the discharge current.
Discuss
Answer: (b).0A
Q133.
A capacitor is charged to a voltage of 400V and has a resistance of 20ohm. Calculate the final value of the discharge current.
Discuss
Answer: (d).20A
Discuss
Answer: (b).When the supply voltage is equal to the capacitor voltage
Q135.
What happens to the capacitor when the capacitor voltage is equal to the source voltage?
Discuss
Answer: (c).The capacitor is switched off
Q136.
A capacitor is charged to a voltage of 400V and has a resistance of 20ohm. Calculate the final value of charging current.
Discuss
Answer: (b).0A
Q137.
The charging time constant of a circuit consisting of a capacitor is the time taken for the charge in the capacitor to become __________ % of the initial charge.
Discuss
Answer: (b).63
Q138.
The discharging time constant of a circuit consisting of a capacitor is the time taken for the charge in the capacitor to become __________ % of the initial charge.
Discuss
Answer: (c).37
Q139.
A circuit has a resistance of 2 ohm connected in series with a capacitance of 6F. Calculate the charging time constant.

a.

3

b.

1

c.

12

d.

8

Discuss
Answer: (c).12
Q140.
A circuit has a resistance of 5 ohm connected in series with a capacitance of 10F. Calculate the discharging time constant.
Discuss
Answer: (b).50