Magnetism and Electromagnetism Questions and Answers Pdf - 1

Question: 1

Which of the following has the highest permeability?

(A) vacuum

(B) ferromagnetic

(C) diamagnetic

(D) paramagnetic

Question: 2

A charged particle enters a magnetic field at an angle of 30° to the direction of magnetic field. Its path becomes

(A) elliptical

(B) straight line

(C) helical

(D) circular

Question: 3

A charged particle moves through a magnetic field perpendicular to it. The energy of the particle will

(A) become zero

(B) decrease

(C) increase

(D) remain unchanged

Question: 4

Air gap has ______ reluctance as compared to iron or steel path.

(A) zero

(B) higher

(C) lower

(D) little

Question: 5

Gilbert is a unit of

(A) permittivity

(B) conductance

(C) magnetomotive force

(D) electromotive force