Transformers The efficiency of a transformer, under heavy loads, is comparatively low because voltage drop both in primary and secondary becomes large secondary output is much less as compared to primary input copper loss becomes high in proportion to the output iron loss is increased considerably voltage drop both in primary and secondary becomes large secondary output is much less as compared to primary input copper loss becomes high in proportion to the output iron loss is increased considerably ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it decreases None of these load remains constant load on it increases load on it decreases None of these load remains constant load on it increases ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Static induction Dynamic induction Mutual induction Self induction Static induction Dynamic induction Mutual induction Self induction ANSWER DOWNLOAD EXAMIANS APP
Transformers By laminating the core of a transformer, we decrease _____ Hysteresis loss Eddy current loss Leakage reactance Copper loss Hysteresis loss Eddy current loss Leakage reactance Copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Overcurrent protection Buchholz relay All of these Overfluxing protection Overcurrent protection Buchholz relay All of these Overfluxing protection ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 10 A 5 A 20 A 15 A 10 A 5 A 20 A 15 A ANSWER DOWNLOAD EXAMIANS APP
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