DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Shifting of axis of brushes Interpoles Dummy coils Compensating winding Shifting of axis of brushes Interpoles Dummy coils Compensating winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 xiVHz will be of v Hz 5 will be of 5 Hz will be zero will be of 5 xiVHz will be of v Hz 5 will be of 5 Hz will be zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Both shunt and compound generator None of the listed here Series generator only Shunt generator only Both shunt and compound generator None of the listed here Series generator only Shunt generator only ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator External characteristic = magnetization characteristic ohmic drop armature reaction External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop Magnetization characteristic = external characteristic External characteristic = magnetization characteristic ohmic drop armature reaction External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop Magnetization characteristic = external characteristic ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the generated voltage depend upon None of the listed here Both speed and flux Speed only Flux only None of the listed here Both speed and flux Speed only Flux only ANSWER DOWNLOAD EXAMIANS APP
DC Generators The ideal commutation in a coil is not possible because each coil has Capacitance Resistance Inductance None of the listed here Capacitance Resistance Inductance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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