Home Physics Electromagnetic Induction Test Online Preparation Mcqs

Physics Electromagnetic Induction Test Online Preparation Mcqs

Physics Electromagnetic Induction Test Online Preparation Mcqs With Answers Start Below

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Question 1 of 15

1. Inductors acts as a short circuit for
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. Emf induced in a circuit according to Faraday’s law depends on the
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. eddy currents are used in:
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. A particle moving in uniform magnetic field then
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. The emf induced in a conductor of unit length moving with unit velocity at right angles to a magnetic field is equal to ________.
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. Which of the following uses electric energy and does not convert it into any other form?
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Which of the following quantitative remain same in the transformer
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. emf generated by A.C dynamo depends upon
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. The emf induced in a coil by a changing magnetic flux may have unit as _______
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. A dynamo converts_______
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. A step up transformer has transformation ratio of 3:2. What is the voltage is secondary if the primary voltage is 30V.
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. If the secondary coil has Ns turns and the primary Np turns, the relation between secondary and primary voltages is given by ________.
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. An electric current induced within the body of a conductor when that conductor either moves through a non uniform magnetic field or in a region where there is a change in magnetic flux is called:
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. Which of the following works on torque on the current carrying conductor placed in magnetic field
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Light roofs are blown on during wind storm. It is because of
A.
B.
C.
D.

Question 15 of 15


 

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