Electrical Machines In a DC machine current and emf at the terminals are alternating. current and emf in armature are unidirectional emf in armature conductors and at the terminals is alternating. current and emf in armature are alternating. current and emf at the terminals are alternating. current and emf in armature are unidirectional emf in armature conductors and at the terminals is alternating. current and emf in armature are alternating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The self induced emf in the coil undergoing commutation is called the dynamically induced voltage. statically induced voltage. None of these reactance voltage. dynamically induced voltage. statically induced voltage. None of these reactance voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC series motor is best suited for electric traction as It develops high starting torque. It runs at very high speed at light load. It is cheaper in cost. It consume less power. It develops high starting torque. It runs at very high speed at light load. It is cheaper in cost. It consume less power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 2000. 0. 500. 1000. 2000. 0. 500. 1000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Split phase. Shaded pole. Capacitor run. Capacitor start. Split phase. Shaded pole. Capacitor run. Capacitor start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. ANSWER DOWNLOAD EXAMIANS APP
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