Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is leading lagging zero unity leading lagging zero unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of dynamically induced emf is utilized in thermocouple. choke. generator. transformer. thermocouple. choke. generator. transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In applied voltage is reduced in a dc shunt motor None of these. Full load speed. Full load current. Full load torque. None of these. Full load speed. Full load current. Full load torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting phenomenon is observed in which motor? Synchronous motor. DC motor. Induction motor. Both A and C. Synchronous motor. DC motor. Induction motor. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The reduced air gap results in an increase cost of operation. breaking torque. power factor. starting torque. cost of operation. breaking torque. power factor. starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as f V f² V² f V f² V² ANSWER DOWNLOAD EXAMIANS APP
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