Electrical Machines The principal of starting of 3 - Φ IM is similar to synchronous motor. capacitor run IM. repulsion motor type starting. transformer with short-circuited secondary. synchronous motor. capacitor run IM. repulsion motor type starting. transformer with short-circuited secondary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as V f V² f² V f V² f² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant current. torque. power. speed. current. torque. power. speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage supply voltage, frequency and load supply voltage and frequency supply voltage and load supply voltage supply voltage, frequency and load supply voltage and frequency supply voltage and load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is 50 Hz 40 HZ 60 Hz 25 Hz 50 Hz 40 HZ 60 Hz 25 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for lap-winding ? PZL/ 4Sa PZL/4Sa² PZL/4SP² PZL/4S PZL/ 4Sa PZL/4Sa² PZL/4SP² PZL/4S ANSWER DOWNLOAD EXAMIANS APP