Transformers The effect of leakage flux in a transformer is to ______ Increase copper losses Decreases copper losses Cause voltage drop in the windings None of the listed here Increase copper losses Decreases copper losses Cause voltage drop in the windings None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to magnetostriction oil in the transformer mechanical vibrations load changes magnetostriction oil in the transformer mechanical vibrations load changes ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 250 kVA 1000 kVA 500 kVA 3000 kVA 250 kVA 1000 kVA 500 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 400 W 100 W 200 W 50 W 400 W 100 W 200 W 50 W ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine core loss magnetising current efficiency copper loss magnetising current and loss core loss magnetising current efficiency copper loss magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 2.5 W 250 W 0 W 25 W 2.5 W 250 W 0 W 25 W ANSWER DOWNLOAD EXAMIANS APP
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