Transformers The hum in a transformer is mainly attributed to magnetostriction load changes mechanical vibrations oil in the transformer magnetostriction load changes mechanical vibrations oil in the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine hysteresis losses eddy current losses copper losses core losses hysteresis losses eddy current losses copper losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through cooling coil None of these through air by the flux through cooling coil None of these through air by the flux ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at no load at 80% full load at 50% full load at full load at no load at 80% full load at 50% full load at full load ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ Low voltage and high output High voltage and small output High voltage and high output None of the listed here Low voltage and high output High voltage and small output High voltage and high output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically None of the listed here Electrically and magnetically Magnetically Electrically None of the listed here Electrically and magnetically Magnetically ANSWER DOWNLOAD EXAMIANS APP
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