Top 250+ Solved Electrical and Electronics Engineering MCQ Questions Answer

a. power factor

b. speed

c. magnetizing current

d. air-gap flux

a. regulation

b. back lash

c. slip

d. lag

a. single - phase induction motor

b. three phase induction motor

c. dc series motor

d. ac series motor

a. inserts resistance in rotor circuit

b. inserts resistance in stator circuit

c. applies reduced voltage to rotor

d. applies reduced voltage to stator

a. decreases too much with the increase of load

b. increase with the increase of load

c. decreases slightly with the increase of load

d. remains constant with the increase of load

a. steady

b. rotating

c. alternating

d. pulsating

a. is decreased

b. is increased

c. remains unchanged

d. none

a. high starting torque

b. fine speed control

c. simple and rugged construction

d. none

a. independent of

b. directly proportional to

c. directly proportional to squre of

d. none

a. low

b. high

c. pulsating

d. none

a. star connected

b. delta connected

c. series connected

d. parallel connected

a. the direction of rotating magnetic field depends upon

b. phase sequence of supply voltage

c. supply current

d. supply voltage

a. n=(s-1)ns

b. n=(1-s)ns

c. n=(1+s)ns

d. n=s xns

a. (ns-n)/ns

b. ns/(ns-n)

c. ns/n

d. (ns-n)

a. 0

b. 0.5

c. 0.1

d. 1