Transformers The secondary of a current transformer is always short-circuited under operating conditions because it 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 None of these is safe to human beings protects the primary circuit ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Horn gaps Conservator Thermal overload relays Breather Horn gaps Conservator Thermal overload relays Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as buzz ringing zoom hum buzz ringing zoom hum ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 25 per cent 98 per cent 50 per cent 100 per cent 25 per cent 98 per cent 50 per cent 100 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Both power factor and load current Power factor of load Load current Supply frequency Both power factor and load current Power factor of load Load current Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Impedance Voltage Power Current Impedance Voltage Power Current ANSWER DOWNLOAD EXAMIANS APP
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