Home Physics Electromagnetism Test Online Preparation Mcqs

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. When the coil of the galvanometer is in equilibrium, then the deflecting couple is _____.
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

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

Question 2 of 15

Question 3 of 15

3. The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field, the orbit will be:
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _______.
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. Magnetic flux and flux density are related by ________
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. If the current passing through the a spring then the spring will
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. A wheat stone bridge is said to be balanced when ________
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

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

Question 9 of 15

Question 10 of 15

10. A moving coil galvanometer of resistance 100Ω gives half scale deflection for a current of 20mA. What will be the potential difference across it?
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. When charge particle enter a magnetic field then K.E
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

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

Question 12 of 15

Question 13 of 15

13. What is the value of the current in a wire of 10cm length at the right angle to a uniform magnetic field of 0.5 Weber/m2, when the force acting on the wire is 5N?
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

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

Question 14 of 15

Question 15 of 15

15. If the plane of the rectangular coil is parallel to the magnetic field (i.e. radial magnetic field), the torque on the coil is _________.
A.
B.
C.
D.

Question 15 of 15


 

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