1000+ Electromagnetic Fields Quiz Questions and Answers Pdf - 2

Question: 6

When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be

(A) alternating

(B) pulsating

(C) steady

(D) none of these

Question: 7

A crack in the magnetic path of an inductor will result in

(A) reduced inductance

(B) zero inductance

(C) increased inductance

(D) unchanged inductance

Question: 8

The effective reactance of an inductive coil

(A) remains same irrespective of the frequency

(B) increases because of stray capacitance as the frequency increases

(C) decreases because of stray capacitance as the frequency increases

(D) none of these

Question: 9

For an electromagnetic wave incident on a conducting medium, the depth of penetration

(A) is directly proportional to the attenuation constant

(B) is independent of the attenuation constant

(C) has a logarithmic relationship with the attenuation constant

(D) is inversely proportional to the attenuation constant

Question: 10

The lines of force due to charged particles are

(A) sometimes curved

(B) always straight

(C) always curved

(D) none of above