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 13 of 21

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Q121.
What happens to the capacitance when a dielectric is introduced between its plates?
Discuss
Answer: (a).Increases
Q122.
Calculate the relative permittivity of the second dielectric if the relative permittivity of the first is 4. The electric field strength of the first dielectric is 8V/m and that of the second is 2V/m.
Discuss
Answer: (c).16
Q123.
What happens to the potential drop between the two plates of a capacitor when a dielectric is introduced between the plates?
Discuss
Answer: (b).Decreases
Q124.
If the potential difference across the plates of a capacitor is 10V and a dielectric having thickness 2m is introduced between the plates, calculate the potential difference after introducing the dielectric. The electric field strength is 2V/m.
Discuss
Answer: (b).6V
Q125.
Calculate the capacitance if the dielectric constant=4, area of cross section= 10m² and the distance of separation between the plates is 5m.
Discuss
Answer: (a).7.08*10¯¹¹F
Q126.
A dielectric is basically a ________
Discuss
Answer: (c).Insulator
Q127.
What happens to the potential difference between the plates of a capacitor as the thickness of the dielectric slab increases?
Discuss
Answer: (b).Decreases
Q128.
Which of the following depends on charging and discharging rate of a capacitor?
Discuss
Answer: (a).Time constant
Q129.
What is the initial current while charging a capacitor?
Discuss
Answer: (a).High
Q130.
What is the final current while charging a capacitor?
Discuss
Answer: (b).Zero