Electrical Machines A DC series motor drawing an armature current of Ia is operating under saturated magnetic conditions. The torque developed in the motor is proportional to Ia I/Ia2 1/Ia Ia2 Ia I/Ia2 1/Ia Ia2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers with identical rating, are designed with flux densities of 1.2 and 1.4 Wb / m2 respectively. The weight of first transformer per kVA is less than that of second transformer. none of these. more than that of second transformer. equal to that of second transformer. less than that of second transformer. none of these. more than that of second transformer. equal to that of second transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is used in elevators? DC series motor. None of these. DC shunt motor. DC compound motor. DC series motor. None of these. DC shunt motor. DC compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The self induced emf in the coil undergoing commutation is called the reactance voltage. statically induced voltage. None of these dynamically induced voltage. reactance voltage. statically induced voltage. None of these dynamically induced voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit in a transformer is prefered with rated transformer current high frequency supply direct current rated transformer voltage rated transformer current high frequency supply direct current rated transformer voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be three. four. six. two. three. four. six. two. ANSWER DOWNLOAD EXAMIANS APP
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