Magnetism and Electromagnetism Questions and Answers Pdf - 2

Question: 6

Which of the following is a ferromagnetic material?

(A) nickel

(B) copper

(C) aluminium

(D) tungsten

Question: 7

The commonly used material for shielding or screening magnetism is

(A) brass

(B) soft iron

(C) aluminium

(D) copper

Question: 8

The _____ materials are a bit inferior conductors of magnetic flux than air.

(A) dielectric

(B) diamagnetic

(C) paramagnetic

(D) ferromagnetic

Question: 9

The attraction capacity of electromagnet will increase if the

(A) flux density increases

(B) flux density decreases

(C) core length increases

(D) core area increases

Question: 10

Magnetic flux density is a

(A) phasor

(B) scalar quantity

(C) vector quantity

(D) none of the above