Transformers The noise produced by a transformer is termed as buzz hum zoom ringing buzz hum zoom ringing ANSWER DOWNLOAD EXAMIANS APP
Transformers Two things which are same for primary and secondary of transformer are ______ Currents and induced voltages Resistance and leakage reactances None of the listed here Ampere turns and voltage per turns Currents and induced voltages Resistance and leakage reactances None of the listed here Ampere turns and voltage per turns ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for Adjustments in secondary voltage Adjustment in primary voltage None of the listed here Adjustment in both primary and secondary Adjustments in secondary voltage Adjustment in primary voltage None of the listed here Adjustment in both primary and secondary ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it None of these is safe to human beings protects the primary circuit avoids core saturation and high voltage induction None of these is safe to human beings protects the primary circuit avoids core saturation and high voltage induction ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to oil in the transformer mechanical vibrations magnetostriction load changes oil in the transformer mechanical vibrations magnetostriction load changes ANSWER DOWNLOAD EXAMIANS APP
Transformers If a power transformer is operated at very high frequencies, then ______ Primary reactance is too much increased None of the listed here Core losses will be excessive Primary will draw large power Primary reactance is too much increased None of the listed here Core losses will be excessive Primary will draw large power ANSWER DOWNLOAD EXAMIANS APP
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