Transformers The principle of working of transformer is Self induction Static induction Dynamic induction Mutual induction Self induction Static induction Dynamic induction Mutual induction ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 15-30% 30-40% Above 40% 3-5% 15-30% 30-40% Above 40% 3-5% ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine eddy current losses hysteresis losses core losses copper losses eddy current losses hysteresis losses core losses copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density none of above will happen cool as there is no secondary current hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density none of above will happen cool as there is no secondary current ANSWER DOWNLOAD EXAMIANS APP
Transformers What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV? 0.25 kVA 8 kVA 16 kVA 4 kVA 0.25 kVA 8 kVA 16 kVA 4 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 400 kV 132 kV 33 kV 66 kV 400 kV 132 kV 33 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
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