Electrical Machines If the field circuit of a DC shunt motor is opened The speed of motor will be reduced. The armature current will reduce. The motor will attain dangerously high speed. DC Shunt Motor The speed of motor will be reduced. The armature current will reduce. The motor will attain dangerously high speed. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce volume of copper. volume of iron. reluctance of core. iron loss. volume of copper. volume of iron. reluctance of core. iron loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the mechanical power is developed by a DC motor maximum Back emf is equal to half of applied voltage. None of above. back emf is equal to applied voltage. Back emf is equal. Back emf is equal to half of applied voltage. None of above. back emf is equal to applied voltage. Back emf is equal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit in a transformer is prefered with direct current rated transformer voltage rated transformer current high frequency supply direct current rated transformer voltage rated transformer current high frequency supply ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC compound motor has tertiary winding. only series field winding. only shunt field winding. both shunt and series field winding. tertiary winding. only series field winding. only shunt field winding. both shunt and series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC series generator, the terminal voltage with increase in load will remain nearly constant increase to rated voltage and then may decrease increase gradually and then stay at rated voltage decrease remain nearly constant increase to rated voltage and then may decrease increase gradually and then stay at rated voltage decrease ANSWER DOWNLOAD EXAMIANS APP