Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 8 μH 2 mH 2 μH 4 μH 8 μH 2 mH 2 μH 4 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 400 W 100 W None of the listed here 200 W 400 W 100 W None of the listed here 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Main flux device Power device Current device Voltage device Main flux device Power device Current device Voltage device ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Breather Conservator Thermal overload relays Horn gaps Breather Conservator Thermal overload relays Horn gaps ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Has same number of primary and secondary turns None of the listed here Has no losses and leakage reactance Does not work Has same number of primary and secondary turns None of the listed here Has no losses and leakage reactance Does not work 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 Ampere turns and voltage per turns None of the listed here Currents and induced voltages Resistance and leakage reactances Ampere turns and voltage per turns None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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