Transformers The primary and secondary of a transformer are ______ coupled. Magnetically Electrically Electrically and magnetically None of the listed here Magnetically Electrically Electrically and magnetically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The voltage transformation ratio of a transformer is equal to the ratio of primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage secondary current to primary current primary turns to secondary turns secondary induced e.m.f. to primary induced e.m.f. secondary terminal voltage to primary applied voltage secondary current to primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be fluctuating load poor insulation saturation of core mechanical vibrations fluctuating load poor insulation saturation of core mechanical vibrations ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. None of the listed here Less than More than The same as None of the listed here Less than More than The same as ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Magnetostriction Boo Hum Zoom Magnetostriction Boo Hum Zoom ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 33 kV 66 kV 400 kV 132 kV 33 kV 66 kV 400 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP
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