Physics Electromagnetism Test Online Preparation Mcqs

Physics Electromagnetism Test Online Preparation Mcqs With Answers Start Below

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Question 1 of 15

1. An electrons enters a region where the electric field E is perpendicular to the magnetic field B. It will suffer no deflection if _________.
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. Magnetic flux and flux density are related by ________
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to the magnetic field
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. SI unit of flux density is _______.
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. A particle of mass m charge q and speed V, enters a uniform magnetic field of flux density B. The path of the particle in the field is a circle of radius r. The radius r of the circle is:
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. Galvanometer is a very sensitive device with ______
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. A magnetic compass will be deflected if it is kept near a _________
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. A magnetic field __________.
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. A charged particle moving in a magnetic field experiences a resultant force
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. The relationship between Tesla and smaller unit Gauss of magnetic induction is given by ________.
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. The effective way to increase the sensitivity of a moving coil galvanometer is to _________.
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. If the current passing through the a spring then the spring will
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. In a multi range ammeter, as the range increases,  ___________
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. The magnetic field strength of a solenoid of turns density n=N/L is
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Concave pole faces of the magnet and soft iron cylinder in galvanometer are used to make the field
A.
B.
C.
D.

Question 15 of 15


 

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