DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Remains same Become zero Increase Decrease Remains same Become zero Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current Decreases Increases Remains same None of the listed here Decreases Increases Remains same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field divertor method Field control method Voltage control method Armature resistance control method Field divertor method Field control method Voltage control method Armature resistance control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is The same None of the listed here Less More The same None of the listed here Less More ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Armature Brushes Commutator Field Armature Brushes Commutator Field ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Self-induced e.m.f. Back e.m.f. None of these Mutually induced e.m.f. Self-induced e.m.f. Back e.m.f. None of these Mutually induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP