Electromagnetism MCQs with Answers

adminJune 10, 2024

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Welcome to the Electromagnetism MCQs with Answers. In this post, we have shared Electromagnetism Online Test for different competitive exams. Find practice Electromagnetism Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Electromagnetism.

Electromagnetism Online Quiz

By presenting 3 options to choose from, Electromagnetism Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Electromagnetism Questions and Answers and click over the correct answer.

Test Name: Electromagnetism MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Electromagnetism

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1 / 40

The property of a material to be weakly attracted to magnets is called ____________.

Diamagnetism

Paramagnetism

Ferromagnetism

2 / 40

A transformer works on the principle of ____________.

Capacitance

Thermoelectric effect

Electromagnetic induction

3 / 40

The device used to increase or decrease voltage levels in an alternating current (AC) circuit is called a ____________.

Transformer

Capacitor

Inductor

4 / 40

The magnitude of the induced EMF in a coil depends on the rate of change of ____________.

Electric field

Voltage

Magnetic flux

5 / 40

The magnetic field lines inside a current-carrying solenoid are ____________.

Parallel and closely spaced

Circular and divergent

Straight and widely spaced

6 / 40

The magnetic field inside a bar magnet flows from ____________.

Both poles to the surroundings

North pole to south pole

South pole to north pole

7 / 40

An electric current in a wire produces a magnetic field that forms ____________ around the wire.

Lines

Spirals

Circles

8 / 40

____________ states that an induced electromotive force (EMF) in a circuit is proportional to the rate of change of magnetic flux through the circuit.

Faraday's law

Ohm's law

Ampere's law

9 / 40

Magnetic materials are attracted to magnets because of ____________.

Presence of electric charge

Disruption of magnetic domains

Alignment of magnetic domains

10 / 40

The study of the relationship between electric currents and magnetic fields is called ____________.

Electromagnetism

Magnetostatics

Electrodynamics

11 / 40

The direction of induced current in a conductor can be determined by ____________.

Newton's third law

Coulomb's law

Lenz's law

12 / 40

The direction of the magnetic field inside a current-carrying straight conductor is given by ____________.

Right-hand thumb rule

Fleming's left-hand rule

Left-hand thumb rule

13 / 40

The phenomenon of inducing an electromotive force (EMF) in a coil by changing the magnetic field through it is called ____________.

Magnetic polarization

Faraday's law

Electromagnetic induction

14 / 40

The right-hand rule is used to determine the ____________ of the magnetic field produced by a current-carrying wire.

Magnitude

Direction

Shape

15 / 40

The Earth's magnetic field is primarily generated by ____________.

Movement of charged particles in its atmosphere

Movement of molten iron in its outer core

Presence of magnetic materials in its crust

16 / 40

A device used to convert electrical energy into mechanical energy by electromagnetic induction is called a ____________.

Motor

Transformer

Generator

17 / 40

The strength of the magnetic field produced by a current-carrying wire is directly proportional to ____________.

Resistance and inversely proportional to distance

Current and inversely proportional to distance

Voltage and directly proportional to distance

18 / 40

The magnetic field around a straight current-carrying conductor ____________ with the distance from the conductor.

Remains constant

Decreases

Increases

19 / 40

The electromagnetic spectrum includes ____________.

Radio waves, microwaves, visible light, X-rays, and gamma rays

Sound waves, visible light, infrared, and ultraviolet rays

Gravity waves, X-rays, infrared, and ultraviolet rays

20 / 40

The device used to convert mechanical energy into electrical energy by electromagnetic induction is called a ____________.

Generator

Transformer

Motor

21 / 40

An induced current is always produced in a direction that ____________ the change in magnetic flux.

Supports

Opposes

Does not affect

22 / 40

The magnetic field lines around a bar magnet ____________.

Form closed loops extending from north to south pole

Radiate out from the north pole

Form closed loops extending from south to north pole

23 / 40

A device used to detect the presence and direction of a current in a wire is called a ____________.

Compass

Ammeter

Voltmeter

24 / 40

A magnetic field is produced by ____________.

Magnetic materials

Moving electric charges

Stationary electric charges

25 / 40

The process of reducing unwanted electromagnetic interference in a circuit is called ____________.

Amplification

Shielding

Filtering

26 / 40

An electric current can be induced in a wire loop by ____________.

Changing the temperature of the loop

Changing the resistance of the loop

Changing the magnetic field through the loop

27 / 40

A material that does not retain magnetization after the removal of an external magnetic field is called a ____________.

Ferromagnetic

Paramagnetic

Diamagnetic

28 / 40

The magnetic field inside a solenoid carrying current is ____________.

Uniform

Non-uniform

Zero

29 / 40

The electromagnetic force between two electrically charged particles ____________ with increasing distance between them.

Increases

Decreases

Remains constant

30 / 40

The magnetic field lines around a current-carrying conductor form ____________ loops.

Circular

Elliptical

Straight

31 / 40

The force experienced by a charged particle moving perpendicular to both an electric field and a magnetic field is called ____________.

Newton's force

Lorentz force

Faraday's force

32 / 40

The SI unit of magnetic field strength is ____________.

Newton

Coulomb

Tesla

33 / 40

The magnetic field strength at the center of a circular coil carrying current is ____________.

Minimum

Zero

Maximum

34 / 40

The magnetic field lines outside a current-carrying straight conductor are ____________.

Circular and divergent

Straight and parallel to each other

Circular and parallel to each other

35 / 40

The ____________ effect is the phenomenon of a changing electric field inducing a magnetic field and vice versa.

Hall

Electromagnetic

Photoelectric

36 / 40

The magnetic field lines around a current-carrying straight wire ____________.

Form concentric circles

Form straight lines

Form helical shapes

37 / 40

The property of a material to be magnetized in the presence of an external magnetic field and retain its magnetization when the field is removed is called ____________.

Ferromagnetism

Paramagnetism

Diamagnetism

38 / 40

____________ is the fundamental force responsible for the interaction between electrically charged particles.

Gravity

Electromagnetism

Strong force

39 / 40

The unit of magnetic flux is ____________.

Volt

Weber

Tesla

40 / 40

The force experienced by a charged particle moving in a magnetic field is perpendicular to ____________.

The velocity of the particle

The magnetic field

Both the velocity of the particle and the magnetic field

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adminJune 10, 2024

0 2 1 minute read