Transformers The noise resulting from vibrations of laminations set by magnetic forces, is termed as Boo Magnetostriction Hum Zoom Boo Magnetostriction Hum Zoom ANSWER DOWNLOAD EXAMIANS APP
Transformers Power transformers are generally designed to have maximum efficiency around 10% overload half-load near full-load no-load 10% overload half-load near full-load no-load ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 200 W None of the listed here 400 W 100 W 200 W None of the listed here 400 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Gases Moisture Sludge Odour Gases Moisture Sludge Odour ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has high eddy current losses None of these reduced magnetic leakage negligibly hysteresis losses high eddy current losses None of these reduced magnetic leakage negligibly hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The effect of leakage flux in a transformer is to ______ Cause voltage drop in the windings Increase copper losses Decreases copper losses None of the listed here Cause voltage drop in the windings Increase copper losses Decreases copper losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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