Top 250+ Solved Electrical and Electronics Engineering MCQ Questions Answer

a. e = v + iara

b. e = v – iara

c. e = v + ia

d. e = v + ra

a. copper

b. carbon

c. mica

d. cast iron

a. 750

b. 100

c. 500

d. 200

a. permanent magnets

b. electromagnets

c. both option b & c

d. none of the options

a. rate of change of flux is maximum

b. rate of change of flux is minimum

c. induced voltage is high

d. shaft rotation is high

a. armature and field both are parallel

b. armature and field both are connected

c. increase the speed of shaft rotation

d. armature and field both are in series with the load

a. armature flux weakens the main field flux

b. armature flux distorts the main field flux

c. both option b & a

d. none of the options

a. magnetic neutral axis

b. geometrical neutral axis

c. armature axis

d. load axis

a. series

b. parallel

c. compound

d. none of the options

a. high current and low voltage applications

b. high voltage and low current applications

c. where constant speed is required

d. where greater load is connected

a. 2hz

b. 50hz

c. 4hz

d. 0hz

a. (s - 1) p2

b. p2 / (1-s)

c. 1/(s p2)

d. (1 - s) p2

a. line voltage

b. line current

c. torque

d. power

a. a squirrel cage motor is started with auto-transformer starter

b. a slip-ring induction motor is started with star-delta starter

c. a squirrel cage motor is started by direct-on-line starter.

d. a slip-ring induction motor is started with rotor resistance starter

a. initial cost

b. rotor core and rotor teeth

c. stator core and stator teeth

d. stator winding