Electrical Machines The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is 50 Hz. 60 Hz. 25 Hz. 16.67 Hz. 50 Hz. 60 Hz. 25 Hz. 16.67 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Compensating winding. Auxiliary winding. Both Compensating and Commutating pole winding. Commutating pole winding. Compensating winding. Auxiliary winding. Both Compensating and Commutating pole winding. Commutating pole winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as V f² f V² V f² f V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in food processing traction computer printers All of these food processing traction computer printers All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to suppress the hunting. increase the load current. both 1 and 2. decrease the load current. suppress the hunting. increase the load current. both 1 and 2. decrease the load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? armature current (I) speed both A and B flux (φ) armature current (I) speed both A and B flux (φ) ANSWER DOWNLOAD EXAMIANS APP
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