Electrical Machines If Ke is eddy current constant, Kf is form factor, f is supply frequency, Bm maximum flux density in core of transformer, the expression of eddy current loss in transformer, is given by Kef2Kf2Bm. KefKf2Bm2. Kef2Kf2Bm2. Kef2KfBm2. Kef2Kf2Bm. KefKf2Bm2. Kef2Kf2Bm2. Kef2KfBm2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For an ideal transformer the winding should have minimum resistance on primary side and maximum resistance on secondary side no ohmic resistance on either side maximum resistance on primary side and least resistance on secondary side equal resistance on primary and secondary side minimum resistance on primary side and maximum resistance on secondary side no ohmic resistance on either side maximum resistance on primary side and least resistance on secondary side equal resistance on primary and secondary side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of the rotor bars of dc motors are laminated to provide better flux linkage. to reduce eddy current loss. to reduce mechanical losses. to reduce hysteresis loss. to provide better flux linkage. to reduce eddy current loss. to reduce mechanical losses. to reduce hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotor resistance speed control is used in dc shunt motor. squirrel cage induction motor. slip ring induction motor. synchronous motor. dc shunt motor. squirrel cage induction motor. slip ring induction motor. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Split phase type. Shaded pole type. Capacitor start. Capacitor run type. Split phase type. Shaded pole type. Capacitor start. Capacitor run type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous motor can be started by providing damper winding in its rotor circuit. coupling it with a small AC induction motor called the pony motor. any of the above methods. coupling it with a DC compound motor. providing damper winding in its rotor circuit. coupling it with a small AC induction motor called the pony motor. any of the above methods. coupling it with a DC compound motor. ANSWER DOWNLOAD EXAMIANS APP
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