Electrical Machines A DC generator without commutator is a DC generator AC generator DC motor induction motor DC generator AC generator DC motor induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying all of these. its flux oer pole. resistance of armature culture. applied voltage. all of these. its flux oer pole. resistance of armature culture. applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is possible in DC shunt motor with field weakening control. DC compound motor. DC shunt motor with armature resistance control. DC series motor. DC shunt motor with field weakening control. DC compound motor. DC shunt motor with armature resistance control. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer action requires a alternating electric flux. constant magnetic flux. increasing magnetic flux. alternating magnetic lux. alternating electric flux. constant magnetic flux. increasing magnetic flux. alternating magnetic lux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature of DC machine is made of conducting material. insulating material. silicon steel. non-ferrous material. conducting material. insulating material. silicon steel. non-ferrous material. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A part an alternator winding consist of eight coils in series, each having an emf of 20 V rms induced in it. Coils are placed in successive slots and between each slot and the next, there is an electrical phase displacement of 30°. Find the emf of eight coils in series 66.91 V. 76.91 V. 86.91 V. 56.91 V. 66.91 V. 76.91 V. 86.91 V. 56.91 V. ANSWER DOWNLOAD EXAMIANS APP