Transformers The all day efficiency of a transformer is ______ the commercial efficiency. Less than The same as None of the listed here More than Less than The same as None of the listed here More than ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 1000 kVA 3000 kVA 500 kVA 250 kVA 1000 kVA 3000 kVA 500 kVA 250 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Applied voltage and frequency are constant Losses are small Leakage flux is small Iron core is used Applied voltage and frequency are constant Losses are small Leakage flux is small Iron core is used ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 3000 kVA 1000 kVA 250 kVA 500 kVA 3000 kVA 1000 kVA 250 kVA 500 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Static induction Dynamic induction Self induction Mutual induction Static induction Dynamic induction Self induction Mutual induction ANSWER DOWNLOAD EXAMIANS APP
Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Current transformer Auto transformer Potential transformer Step-up transformer Current transformer Auto transformer Potential transformer Step-up transformer ANSWER DOWNLOAD EXAMIANS APP
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