Electromagnetism Multiple Choice Questions with Answers - 2

Question: 6

Eddy current can be minimized

(A) by using thick copper sheets

(B) by setting up a strong magnetic field

(C) by using insulated thick sheets

(D) by using thin laminated sheets

Question: 7

For direct current, the resistance offered by a capacitor is

(A) greater than unity

(B) infinity

(C) zero

(D) unity

Question: 8

In high power AC dynamoes magnetic field is provided by

(A) cylindrical magnets

(B) horseshoe magnets

(C) permanent magnets

(D) electromagnets

Question: 9

RLC series resonant circuit is often called

(A) donor

(B) detector

(C) acceptor

(D) radio

Question: 10

Transformer works on the principle of

(A) eddy currents

(B) action of points

(C) electromagnetic induction

(D) self induction