Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 2 V 1 V 4 V 0 V 2 V 1 V 4 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power flow of a dc motor, with respect to a DC generator is modified. reversed. none of these. increased. modified. reversed. none of these. increased. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator on no-load, the air gap flux distribution in space is pulsating. triangular. sinusoidal. flat topped. pulsating. triangular. sinusoidal. flat topped. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test of 3-phase induction motor gives which of the following? None of these both A and B constant loss variable loss None of these both A and B constant loss variable loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In normal dc machines operating at full-load conditions, the most powerful electromagnet is armature winding field winding interpole winding interpole and compensating windings together armature winding field winding interpole winding interpole and compensating windings together ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases? Increases. Decreases. Remain unchanged None of above. Increases. Decreases. Remain unchanged None of above. ANSWER DOWNLOAD EXAMIANS APP
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