DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Back e.m.f. Mutually induced e.m.f. Self-induced e.m.f. None of these Back e.m.f. Mutually induced e.m.f. Self-induced e.m.f. None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Yoke Commutator Armature rotor Armature conductors Yoke Commutator Armature rotor Armature conductors ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for Shunt motors Shunt as well as compound motors Shunt, compound and series motors All D.C. motors Shunt motors Shunt as well as compound motors Shunt, compound and series motors All D.C. motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed On yoke in the interpolar gap On armature On yoke in the pole faces None of the listed here On yoke in the interpolar gap On armature On yoke in the pole faces None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on None of the listed here Speed only Both flux and speed Flux only None of the listed here Speed only Both flux and speed Flux only ANSWER DOWNLOAD EXAMIANS APP
DC Motors The torque developed by a dc motor is directly proportional to Flux per pole × armature current Armature resistance × armature current None of the listed here Armature resistance × applied voltage Flux per pole × armature current Armature resistance × armature current None of the listed here Armature resistance × applied voltage ANSWER DOWNLOAD EXAMIANS APP