Electromagnetic Induction MCQ Multiple Choice Questions

Q: 1. Whenever the magnetic flux linked with an electric circuit changes, an emf is induced in the circuit. This is called

Correct Answer is: kirchhoff's laws

Q: 2. In electromagnetic induction, the induced charge is independent of

Correct Answer is: None of these

Q: 3. An induced e.m.f. is produced when a magnet is plunged into a coil. The strength of the induced e.m.f. is independent of

Correct Answer is: speed with which the magnet is moved

Q: 4. According to Faraday's law of electromagnetic induction

Correct Answer is: None of these.

Q: 5. A moving conductor coil produces an induced e.m.f. This isin accordance with

Correct Answer is: Coulomb's law

Q: 6. A coil of insulated wire is connected to a battery. If it is taken to galvanometer, its pointer is deflected, because

Correct Answer is: None of these

Q: 7. The polarity of induced emf is given by

Correct Answer is: Fleming's right hand rule

Q: 8. The self inductance of a coil is a measure of

Correct Answer is: induced current

Q: 12. A magnet is moved towards a coil (i) quickly (ii) slowly, then the induced e.m.f. is

Correct Answer is: larger or smaller depending upon the radius of the coil

Q: 13. The laws of electromagnetic induction have been used in the construction of a

Correct Answer is: electric motor

Electromagnetic Induction MCQs are essential for students and exam aspirants looking to strengthen their understanding of this fundamental physics topic. Practice these questions to enhance your knowledge and prepare for various assessments.

About Electromagnetic Induction MCQ Questions

Electromagnetic Induction is a core concept in physics that deals with the production of an electromotive force (EMF) across a conductor when it is exposed to a changing magnetic field. These MCQs cover key topics such as Faraday's Law, Lenz's Law, and the principles of transformers and generators. Practicing these questions will help you grasp the underlying principles and apply them effectively.

Why Practice Electromagnetic Induction Objective Questions?

Practicing Electromagnetic Induction MCQs offers several benefits. It helps you solidify your understanding of the subject, prepares you for school and college exams, and enhances your performance in competitive exams and job interviews. Regular practice also aids in quick revision and boosts your confidence.

Who Should Use These MCQs?

Electromagnetic Induction MCQ Questions for Practice

1. Whenever the magnetic flux linked with an electric circuit changes, an emf is induced in the circuit. This is called

electromagnetic induction
lenz's law
hysteresis loss
kirchhoff's laws

2. In electromagnetic induction, the induced charge is independent of

change of flux
time.
resistance of the coil
None of these

3. An induced e.m.f. is produced when a magnet is plunged into a coil. The strength of the induced e.m.f. is independent of

the strength of the magnet
number of turns of coil
the resistivity of the wire of the coil
speed with which the magnet is moved

4. According to Faraday's law of electromagnetic induction

electric field is produced by time varying magnetic flux.
magnetic field is produced by time varying electric flux.
magnetic field is associated with a moving charge.
None of these.

5. A moving conductor coil produces an induced e.m.f. This isin accordance with

Lenz's law
Faraday's law
Coulomb's law

6. A coil of insulated wire is connected to a battery. If it is taken to galvanometer, its pointer is deflected, because

the induced current is produced
the coil acts like a magnet
the number of turns in the coil of the galvanometer are changed
None of these

7. The polarity of induced emf is given by

Ampere's circuital law
Biot-Savart law
Lenz's law
Fleming's right hand rule

8. The self inductance of a coil is a measure of

electrical inertia
electrical friction
induced e.m.f.
induced current

9. The coils in resistance boxes are made from doubled insulated wire to nullify the effect of

heating
magnetism
pressure
self induced e.m.f.

10. Two pure inductors each of self inductance L are connected in series, the net inductance is

11. Lenz's law is a consequence of the law of conservation of

charge
mass
energy
momentum

12. A magnet is moved towards a coil (i) quickly (ii) slowly, then the induced e.m.f. is

larger in case (i)
smaller in case (i)
equal to both the cases
larger or smaller depending upon the radius of the coil

13. The laws of electromagnetic induction have been used in the construction of a

galvanometer
voltmeter
electric motor
generator

14. Two coils are placed closed to each other. The mutual inductance of the pair of coils depends upon

the rate at which currents are changing in the two coils.
relative position and orientation of two coils.
the material of the wires of the coils.
the currents in the two coils.

15. Two identical coaxial circular loops carry a current i each circulating in the same direction. If the loops approach each other, you will observe that the current in

each increases
each decreases
each remains the same
one increases whereas that in the other decreases

16. When current in a coil changes from 5 A to 2 A in 0.1 s, average voltage of 50 V is produced. The self-inductance of the coil is

1.67 H
6 H
3 H
0.67 H

17. The self inductance associated with a coil is independent of

current
induced voltage
time
resistance of a coil

18. A coil having 500 sq. loops of side 10 cm is placed normal to magnetic flux which increases at a rate of 1 T/s. The induced emf is

0.1 V
0.5 V
1 V
5 V

19. A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10-5 weber. The inductance is

0.2 mH
2.0 mH
0.02 mH
0.002 H

20. The north pole of a long bar magnet was pushed slowly into a short solenoid connected to a short galvanometer. The magnet was held stationary for a few seconds with the north pole in the middle of the solenoid and then withdrawn rapidly. The maximum deflection of the galvanometer was observed when the magnet was

moving towards the solenoid
moving into the solenoid
at rest inside the solenoid
moving out of the solenoid

21. In a coil of self-induction 5 H, the rate of change of current is 2 As-1. Then emf induced in the coil is

10 V
-10 V
5 V
-5 V

22. Why is the core of a transformer laminated?

To prevent eddy currents
To prevent mutual induction
To prevent self induction
None of these.

23. Two identical coaxial coils P and Q carrying equal amount of current in the same direction are brought nearer. The current in

P increases while in Q decreases
Q increases while in P decreases
both P and Q increases
both P and Q decreases

24. Faraday's laws are consequence of the conservation of

charge
energy
magnetic field
both b and c

25. Direction of current induced in a wire moving in a magnetic field is found using

Fleming's left hand rule
Fleming's right hand rule
Ampere's rule
Right hand clasp rule

26. Which of the following statements is not correct?

Whenever the amount of magnetic flux linked with a circuit changes, an emf is induced in circuit.
The induced emf lasts so long as the change in magnetic flux continues.
The direction of induced emf is given by Lenz's law.
Lenz's law is a consequence of the law of conservation of momentum.

27. Lenz's law is a consequence of the law of conservation of

charge
energy
induced emf
induced current

28. A solenoid is connected to a battery so that a steady current flows through it. If an iron core is inserted into the solenoid, the current will

increase
decrease
remain same
first increase then decrease

29. There is a uniform magnetic field directed perpendicular and into the plane of the paper. An irregular shaped conducting loop is slowly changing into a circular loop in the plane of the paper. Then

current is induced in the loop in the anti-clockwise direction.
current is induced in the loop in the clockwise direction.
ac is induced in the loop.
no current is induced in the loop.

30. Which of the following does not use the application of eddy current?

Electric power meters
Induction furnace
LED lights
Magnetic brakes in trains

Electromagnetic Induction MCQ Multiple Choice Questions for Practice

About Electromagnetic Induction MCQ Questions

Why Practice Electromagnetic Induction Objective Questions?

Who Should Use These MCQs?

Electromagnetic Induction MCQ Questions for Practice

1. Whenever the magnetic flux linked with an electric circuit changes, an emf is induced in the circuit. This is called

2. In electromagnetic induction, the induced charge is independent of

3. An induced e.m.f. is produced when a magnet is plunged into a coil. The strength of the induced e.m.f. is independent of

4. According to Faraday's law of electromagnetic induction

5. A moving conductor coil produces an induced e.m.f. This isin accordance with

6. A coil of insulated wire is connected to a battery. If it is taken to galvanometer, its pointer is deflected, because

7. The polarity of induced emf is given by

8. The self inductance of a coil is a measure of

9. The coils in resistance boxes are made from doubled insulated wire to nullify the effect of

10. Two pure inductors each of self inductance L are connected in series, the net inductance is

11. Lenz's law is a consequence of the law of conservation of

12. A magnet is moved towards a coil (i) quickly (ii) slowly, then the induced e.m.f. is

13. The laws of electromagnetic induction have been used in the construction of a

14. Two coils are placed closed to each other. The mutual inductance of the pair of coils depends upon

15. Two identical coaxial circular loops carry a current i each circulating in the same direction. If the loops approach each other, you will observe that the current in

16. When current in a coil changes from 5 A to 2 A in 0.1 s, average voltage of 50 V is produced. The self-inductance of the coil is

17. The self inductance associated with a coil is independent of

18. A coil having 500 sq. loops of side 10 cm is placed normal to magnetic flux which increases at a rate of 1 T/s. The induced emf is

19. A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10-5 weber. The inductance is

21. In a coil of self-induction 5 H, the rate of change of current is 2 As-1. Then emf induced in the coil is

22. Why is the core of a transformer laminated?

23. Two identical coaxial coils P and Q carrying equal amount of current in the same direction are brought nearer. The current in

24. Faraday's laws are consequence of the conservation of

25. Direction of current induced in a wire moving in a magnetic field is found using

26. Which of the following statements is not correct?

27. Lenz's law is a consequence of the law of conservation of

28. A solenoid is connected to a battery so that a steady current flows through it. If an iron core is inserted into the solenoid, the current will

29. There is a uniform magnetic field directed perpendicular and into the plane of the paper. An irregular shaped conducting loop is slowly changing into a circular loop in the plane of the paper. Then

30. Which of the following does not use the application of eddy current?

Your Score

Related Quiz Topics

Recent Articles

Looking to post on our portal?

Electromagnetic Induction MCQ Multiple Choice Questions for Practice

About Electromagnetic Induction MCQ Questions

Why Practice Electromagnetic Induction Objective Questions?

Who Should Use These MCQs?

Electromagnetic Induction MCQ Questions for Practice

1. Whenever the magnetic flux linked with an electric circuit changes, an emf is induced in the circuit. This is called

2. In electromagnetic induction, the induced charge is independent of

3. An induced e.m.f. is produced when a magnet is plunged into a coil. The strength of the induced e.m.f. is independent of

4. According to Faraday's law of electromagnetic induction

5. A moving conductor coil produces an induced e.m.f. This isin accordance with

6. A coil of insulated wire is connected to a battery. If it is taken to galvanometer, its pointer is deflected, because

7. The polarity of induced emf is given by

8. The self inductance of a coil is a measure of

9. The coils in resistance boxes are made from doubled insulated wire to nullify the effect of

10. Two pure inductors each of self inductance L are connected in series, the net inductance is

11. Lenz's law is a consequence of the law of conservation of

12. A magnet is moved towards a coil (i) quickly (ii) slowly, then the induced e.m.f. is

13. The laws of electromagnetic induction have been used in the construction of a

14. Two coils are placed closed to each other. The mutual inductance of the pair of coils depends upon

15. Two identical coaxial circular loops carry a current i each circulating in the same direction. If the loops approach each other, you will observe that the current in

16. When current in a coil changes from 5 A to 2 A in 0.1 s, average voltage of 50 V is produced. The self-inductance of the coil is

17. The self inductance associated with a coil is independent of

18. A coil having 500 sq. loops of side 10 cm is placed normal to magnetic flux which increases at a rate of 1 T/s. The induced emf is

19. A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10-5 weber. The inductance is

21. In a coil of self-induction 5 H, the rate of change of current is 2 As-1. Then emf induced in the coil is

22. Why is the core of a transformer laminated?

23. Two identical coaxial coils P and Q carrying equal amount of current in the same direction are brought nearer. The current in

24. Faraday's laws are consequence of the conservation of

25. Direction of current induced in a wire moving in a magnetic field is found using

26. Which of the following statements is not correct?

27. Lenz's law is a consequence of the law of conservation of

28. A solenoid is connected to a battery so that a steady current flows through it. If an iron core is inserted into the solenoid, the current will

29. There is a uniform magnetic field directed perpendicular and into the plane of the paper. An irregular shaped conducting loop is slowly changing into a circular loop in the plane of the paper. Then

30. Which of the following does not use the application of eddy current?

Your Score

Related Quiz Topics

Recent Articles

Login at Quizforum