Electrical Machines The output voltage of a DC generator is E = V + Ia. E = V – IaRa. E = V + IaRa. E = V + Ra. E = V + Ia. E = V – IaRa. E = V + IaRa. E = V + Ra. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 100 V. 50 V. 399 V. 230.2 V. 100 V. 50 V. 399 V. 230.2 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In large sized DC machines the compensating windings are provided to reduce eddy current losses by providing local short circuits. neutralize voltage induced in coil due to fluctuation of l None of these compensate for the decrease in speed due to increase of load. reduce eddy current losses by providing local short circuits. neutralize voltage induced in coil due to fluctuation of l None of these compensate for the decrease in speed due to increase of load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? reduction in main field flux commutation both 2 and 3 reduces the terminal voltage reduction in main field flux commutation both 2 and 3 reduces the terminal voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine emf in armature conductors and at the terminals is alternating. current and emf at the terminals are alternating. current and emf in armature are alternating. current and emf in armature are unidirectional emf in armature conductors and at the terminals is alternating. current and emf at the terminals are alternating. current and emf in armature are alternating. current and emf in armature are unidirectional ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load decreases remains unaffected None of these increases decreases remains unaffected None of these increases ANSWER DOWNLOAD EXAMIANS APP
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