Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Potential transformer Step-up transformer Current transformer Auto transformer Potential transformer Step-up transformer Current transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be switched open fused shorted switched open fused shorted ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Asbestos Glass fibre Cellulose Mica Asbestos Glass fibre Cellulose Mica ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has Low hysteresis loss High permeability All of the listed here High silicon content Low hysteresis loss High permeability All of the listed here High silicon content ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W None of the listed here 100 W 200 W 400 W None of the listed here 100 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it avoids core saturation and high voltage induction is safe to human beings None of these protects the primary circuit avoids core saturation and high voltage induction is safe to human beings None of these protects the primary circuit ANSWER DOWNLOAD EXAMIANS APP
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