Transformers A common method of colling a power transformer is Natural air cooling Air blast cooling Oil cooling Any of the listed here Natural air cooling Air blast cooling Oil cooling Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because A static device Uses inductive coupling Uses capacitive coupling Uses electric coupling A static device Uses inductive coupling Uses capacitive coupling Uses electric coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Cellulose Asbestos Mica Glass fibre Cellulose Asbestos Mica Glass fibre ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of secondary current to primary current secondary induced e.m.f. to primary induced e.m.f. primary turns to secondary turns secondary terminal voltage to primary applied voltage secondary current to primary current secondary induced e.m.f. to primary induced e.m.f. primary turns to secondary turns secondary terminal voltage to primary applied voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Is negligible at full load Helps in transfer of energy Is minimised by interleaving the primary and secondary windings Produces mutually induced emf Is negligible at full load Helps in transfer of energy Is minimised by interleaving the primary and secondary windings Produces mutually induced emf ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as hum buzz ringing zoom hum buzz ringing zoom ANSWER DOWNLOAD EXAMIANS APP
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