Transformers The principle of working of transformer is Mutual induction Static induction Self induction Dynamic induction Mutual induction Static induction Self induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 25% load 50% load Zero load 90% load 25% load 50% load Zero load 90% load ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Magnetically Electrically None of the listed here Electrically and magnetically Magnetically Electrically None of the listed here Electrically and magnetically ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for Adjustment in both primary and secondary Adjustments in secondary voltage None of the listed here Adjustment in primary voltage Adjustment in both primary and secondary Adjustments in secondary voltage None of the listed here Adjustment in primary voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be saturation of core mechanical vibrations poor insulation fluctuating load saturation of core mechanical vibrations poor insulation fluctuating load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Power transformer Current transformer Auto transformer Potential transformer Power transformer Current transformer Auto transformer Potential transformer ANSWER DOWNLOAD EXAMIANS APP
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