Transformers The effect of leakage flux in a transformer is to ______ Increase copper losses None of the listed here Decreases copper losses Cause voltage drop in the windings Increase copper losses None of the listed here Decreases copper losses Cause voltage drop in the windings ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 2 μH 4 μH 2 mH 8 μH 2 μH 4 μH 2 mH 8 μH ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Shunt motor Air motor Induction motor Synchronous motor Shunt motor Air motor Induction motor Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Power Voltage Frequency Current Power Voltage Frequency Current ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at no load at full load at 80% full load at 50% full load at no load at full load at 80% full load at 50% full load ANSWER DOWNLOAD EXAMIANS APP
Transformers The short circuit test helps us to find Cu loss at no load Cu loss at any desire load Iron loss at no load None of the listed here Cu loss at no load Cu loss at any desire load Iron loss at no load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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