1000+ Electromagnetic Field Theory MCQ Questions and Answers Pdf - 2

Question: 6

Fleming’s right hand rule may be applied to an electric generator to find out the direction of

(A) magnetic field

(B) rotor rotation

(C) induced emf

(D) none of the above

Question: 7

An open coil has

(A) zero resistance and high inductance

(B) infinite resistance and normal inductance

(C) infinite resistance and zero inductance

(D) zero resistance and inductance

Question: 8

Poyating vector gives

(A) direction of polarization

(B) intensity of magnetic field

(C) intensity of electric field

(D) rate of energy flow

Question: 9

Double stub matching eliminates standing waves on the

(A) in between the two stubs

(B) both sides of the stub

(C) source side of the left stub

(D) load size of right stub

Question: 10

The heating time constant of an electrical machine gives an indication of its

(A) short time rating

(B) overload capacity

(C) cooling

(D) rating