Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 13 Ω 7.8 Ω 78 Ω 1.3 Ω 13 Ω 7.8 Ω 78 Ω 1.3 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are somewhat smaller much higher much smaller about the same somewhat smaller much higher much smaller about the same ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 132 kV 400 kV 66 kV 33 kV 132 kV 400 kV 66 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following parts of a transformer is visible from outside? Core Secondary winding Primary winding Bushings Core Secondary winding Primary winding Bushings ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Leakage reactance Copper loss Eddy current loss Hysteresis loss Leakage reactance Copper loss Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 7.3 V 88 V 73 V 880 V 7.3 V 88 V 73 V 880 V ANSWER DOWNLOAD EXAMIANS APP
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