Inductive and Non Inductive Circuits MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Inductive and Non Inductive Circuits, 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 Inductive and Non Inductive Circuits 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 Inductive and Non Inductive Circuits mcq questions that explore various aspects of Inductive and Non Inductive Circuits problems. Each MCQ is crafted to challenge your understanding of Inductive and Non Inductive Circuits 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 Inductive and Non Inductive Circuits MCQs are your pathway to success in mastering this essential Basic Electrical Engineering topic.

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Inductive and Non Inductive Circuits MCQs | Page 5 of 11

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Q41.
What is the relation between the flux and the magnetizing current when a ferromagnetic core is introduced within the inductor?

a.

Directly proportional

b.

Inversely proportional

c.

Not proportional

d.

Current is double of flux

Discuss
Answer: (c).Not proportional
Q42.
What happens to the effective inductance when a ferromagnetic core is introduced?

a.

Increases

b.

Decreases

c.

Remains the same

d.

Becomes zero

Discuss
Answer: (a).Increases
Q43.
A laminated steel ring is wound with 200 turns. When the magnetizing current varies between 5 and 7 A, the magnetic flux varies between 760 and 800 Wb. Calculate the inductance of the coil.

a.

40H

b.

4 H

c.

4000H

d.

0.004 H

Discuss
Answer: (c).4000H
Q44.
Calculate the number of turns in an inductor with a ferromagnetic core when the inductance is 4000 H, the current changes from 5A to 7A and the flux changes from 760 to 800 Wb.

a.

100

b.

200

c.

300

d.

400

Discuss
Answer: (b).200
Q45.
Calculate the change in current in an inductor having inductance 4000H, number of turns is 200 and the flux changes from 760 to 800 Wb.

a.

2A

b.

4A

c.

6A

d.

8A

Discuss
Answer: (a).2A
Q46.
Calculate the initial current in an inductor having inductance 4000 H, number of turns is 200 and the flux changes from 760 to 800 Wb. Current changes to 7A.

a.

10A

b.

2A

c.

3A

d.

5A

Discuss
Answer: (d).5A
Q47.
Calculate the change in flux of an inductor having inductance 4000 H, number of turns is 200 and the current changes from 5A to 7A.

a.

20 Wb

b.

40 Wb

c.

60 Wb

d.

80 Wb

Discuss
Answer: (b).40 Wb
Q48.
Calculate the final flux in an inductor having inductance 4000 H, number of turns is 200 and the current changes from 5A to 7A. The initial flux is 760 Wb.

a.

200 Wb

b.

400 Wb

c.

600 Wb

d.

800 Wb

Discuss
Answer: (d).800 Wb
Q49.
In a pure inductive circuit, the power factor is?

a.

Maximum

b.

Minimum

c.

0

d.

Infinity

Discuss
Answer: (c).0
Q50.
The charging time constant of a circuit consisting of an inductor is the time taken for the voltage in the inductor to become __________ % of the initial voltage.

a.

33

b.

63

c.

37

d.

36

Discuss
Answer: (c).37
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