Electromagnetism MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Electromagnetism, 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 Electromagnetism 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 Electromagnetism mcq questions that explore various aspects of Electromagnetism problems. Each MCQ is crafted to challenge your understanding of Electromagnetism 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 Electromagnetism 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 Electromagnetism. 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 Electromagnetism knowledge to the test? Let's get started with our carefully curated MCQs!

Electromagnetism MCQs | Page 5 of 9

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Q41.
The current in a solenoid is 30A, the number of turns per unit length is 500 turns per metre. Calculate the magnetic field if the core is air.
Discuss
Answer: (b).18.84mT
Q42.
The magnetic field of the solenoid is 18.84mT, the number of turns per unit length is 500 turns per metre. Calculate the current if the core is air.
Discuss
Answer: (b).30A
Q43.
The magnetic field of the solenoid is 18.84mT, the current is 30A. Calculate the number of turns per unit length if the core is air.
Discuss
Answer: (c).500 turns /m
Q44.
What is the expression for force in a current carrying conductor?
Discuss
Answer: (c).F=Kqโ‚qโ‚‚/r²
Q45.
Force in a conductor is__________ to the product of the charges.
Discuss
Answer: (a).Directly proportional
Q46.
Force in a conductor is __________ to the square of the distance between the charges.
Discuss
Answer: (b).Inversely proportional
Q47.
Calculate the force between two charges having magnitude 3nC and 2nC separated by a distance of 2micro m.
Discuss
Answer: (b).13.5kN
Q48.
If the flow of electric current is parallel to the magnetic field, the force will be?
Discuss
Answer: (a).Zero
Q49.
The ratio of magnetic force to electric force on a charged particle getting undeflected in a field is ______

a.

1

b.

0

c.

2

d.

4

Discuss
Answer: (a).1
Q50.
Weakest force in nature is __________
Discuss
Answer: (a).Electric force
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