- (A) self-induced e.m.f.
- (B) mutually induced e.m.f.
- (C) back e.m.f
- (D) none of the above
Exam preparation MCQs with answers
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Latest MCQs
- (A) a stronger commutating field is needed at low speed than at high speed
- (B) a weaker commutating field is needed at low speed than at high speed
- (C) same commutating field is needed at low speed than at high speed
- (D) none of the above is correct
- (A) Plugging
- (B) Regenerative braking
- (C) Rheostatic braking
- (D) None of the above
- (A) Shunt motors
- (B) Series motors
- (C) Compound motors
- (D) All of the above
- (A) no-load
- (B) part load
- (C) full-load
- (D) overload
- (A) voltage control method
- (B) flux control method
- (C) rheostat control method
- (D) all of the above
- (A) decreases
- (B) increases
- (C) remains same
- (D) none of the above
- (A) decreases
- (B) increases
- (C) remain same
- (D) none of the above
- (A) decreases.
- (B) increases
- (C) remain same
- (D) none of the above
- (A) dc generator
- (B) dc motor
- (C) transformer
- (D) all of the above
