# Electronics - Magnetism and Electromagnetism

## Why Electronics Magnetism and Electromagnetism?

In this section you can learn and practice Electronics Questions based on "Magnetism and Electromagnetism" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

## Where can I get Electronics Magnetism and Electromagnetism questions and answers with explanation?

IndiaBIX provides you lots of fully solved Electronics (Magnetism and Electromagnetism) questions and answers with Explanation. Solved examples with detailed answer description, explanation are given and it would be easy to understand. All students, freshers can download Electronics Magnetism and Electromagnetism quiz questions with answers as PDF files and eBooks.

## Where can I get Electronics Magnetism and Electromagnetism Interview Questions and Answers (objective type, multiple choice)?

Here you can find objective type Electronics Magnetism and Electromagnetism questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided.

## How to solve Electronics Magnetism and Electromagnetism problems?

You can easily solve all kind of Electronics questions based on Magnetism and Electromagnetism by practicing the objective type exercises given below, also get shortcut methods to solve Electronics Magnetism and Electromagnetism problems.

### Exercise :: Magnetism and Electromagnetism - General Questions

1.

Permeability is the inverse equivalent of which electrical term?

 A. Voltage B. Current C. Resistance D. Conductance

Explanation:

No answer description available for this question. Let us discuss.

2.

Which electromagnetic device uses brushes and a commutator?

 A. A speaker B. A dc generator C. A relay D. A solenoid

Explanation:

No answer description available for this question. Let us discuss.

3.

What is the flux density of a magnetic field whose flux is 3000 µWb and cross-sectional area is 0.25 m2?

 A. 12,000 T B. 83,330 T C. 0 T D. More information is needed in order to find flux density.

Explanation:

No answer description available for this question. Let us discuss.

4.

How much flux is there in a magnetic field when its flux density is 5000 T and its cross-sectional area is 300 mm2?

 A. 16.67 mWb B. 5.0 Wb C. 3.0 mWb D. 1.5 Wb

Explanation:

No answer description available for this question. Let us discuss.

5.

What are the effects of moving a closed wire loop through a magnetic field?

 A. A voltage is induced in the wire. B. A current is induced in the wire. C. The polarity across the wire depends on the direction of motion. D. All of the above