Transformers In a transformer routine efficiency depends upon Supply frequency Load current Both power factor and load current Power factor of load Supply frequency Load current Both power factor and load current Power factor of load ANSWER DOWNLOAD EXAMIANS APP
Transformers The leakage flux in a transformer depends upon load current, voltage and frequency load current and voltage load current, voltage, frequency and power factor load current load current, voltage and frequency load current and voltage load current, voltage, frequency and power factor load current ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its copper loss voltage ratio dielectric strength of oil temperature rise copper loss voltage ratio dielectric strength of oil temperature rise ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. None of the listed here 400 W 100 W 200 W None of the listed here 400 W 100 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 μH 8 μH 2 mH 4 μH 2 μH 8 μH 2 mH 4 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has high eddy current losses reduced magnetic leakage negligibly hysteresis losses None of these high eddy current losses reduced magnetic leakage negligibly hysteresis losses None of these ANSWER DOWNLOAD EXAMIANS APP