DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Back e.m.f. None of these Self-induced e.m.f. Mutually induced e.m.f. Back e.m.f. None of these Self-induced e.m.f. Mutually induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is More than the normal speed Loss than the normal speed Normal speed Zero More than the normal speed Loss than the normal speed Normal speed Zero ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Commutator Armature rotor Armature conductors Yoke Commutator Armature rotor Armature conductors Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. Half One-third None of the listed here Twice Half One-third None of the listed here Twice ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Armature winding Field winding Commutator Slip rings Armature winding Field winding Commutator Slip rings ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor Motor is run at reduced speed None of the listed here Motor is reversed in direction Motor is run as a generator Motor is run at reduced speed None of the listed here Motor is reversed in direction Motor is run as a generator ANSWER DOWNLOAD EXAMIANS APP
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