DC Motors In a D.C. series motor, if the armature current is reduced by 50%, the torque of the motor will be equal to 25% of the previous value 50% of the previous value 100% of the previous value 10% of the previous value 25% of the previous value 50% of the previous value 100% of the previous value 10% of the previous value ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Loss than the normal speed Zero Normal speed More than the normal speed Loss than the normal speed Zero Normal speed More than the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when The field is opened The armature circuit is opened. The load is increase Load is removed The field is opened The armature circuit is opened. The load is increase Load is removed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is Less More None of the listed here The same Less More None of the listed here The same ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it None of the listed here Is simple in construction Provides fine speed control Is cheap None of the listed here Is simple in construction Provides fine speed control Is cheap ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Armature current Speed Flux Field and armature resistance Armature current Speed Flux Field and armature resistance ANSWER DOWNLOAD EXAMIANS APP