- (A) the supply voltage and the back e.m.f.
- (B) magnetising current and back e.m.f.
- (C) the rotating stator flux and rotor poles
- (D) none of the above
Electrical Engineering Mcqs
- (A) the motor will stop
- (B) the motor continue to run in the same direction
- (C) the winding of the motor will burn
- (D) the motor will run in the reverse direction
- (E) none of the above
- (A) vector sum of Eb and V
- (B) arithmetic sum of Eb and V
- (C) arithmetic difference of Eb and V
- (D) vector difference of Eh and V
- (A) stator frame
- (B) rotor shaft
- (C) pole faces
- (D) none of the above
- (A) supplied with unbalanced voltage
- (B) under-loaded
- (C) over-loaded
- (D) none of the above
- (A) High field current
- (B) Low short circuit ratio
- (C) High core losses
- (D) Low field current
- (A) a series motor
- (B) an induction motor
- (C) an alternator
- (D) a rotary converter
- (A) no-load and greatly over-excited fields
- (B) no-load and under-excited fields
- (C) normal load with minimum excitation
- (D) normal load with zero excitation
- (A) Eddy current losses in the conductors
- (B) Iron losses in the stator
- (C) Copper losses in the slot portion of the conductors
- (D) Windage losses
- (E) None of the above
- (A) flux density
- (B) horse power rating
- (C) speed
- (D) all of the above
