1000+ NEET Physics Question Bank Pdf - 2

Question: 6

The emf induced whenever there is a change in the magnetic flux linked with closed circuit is known as

(A) mutually induced emf

(B) thermo emf

(C) static emf

(D) induced emf

Question: 7

The emf induced by changing the orientation of coil is _____ in nature.

(A) exponential

(B) cosine

(C) sinusoidal

(D) none of these

Question: 8

Eddy current loss can be minimised by

(A) using laminated core made of stelloy

(B) using shell type of core

(C) using laminated core made of mumetal

(D) using wires of low resistance

Question: 9

The unit of capacitive reactance is

(A) ampere

(B) coulomb

(C) ohm

(D) volt

Question: 10

Chokes used in low frequency A.C. circuits are known as

(A) audio frequency chokes

(B) ultra high frequency chokes

(C) radio frequency chokes

(D) none of the above