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 200 W 100 W 50 W 400 W 200 W 100 W 50 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 3000 kVA 1000 kVA 500 kVA 250 kVA 3000 kVA 1000 kVA 500 kVA 250 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A step up transformer increases Current Frequency Power Voltage Current Frequency Power Voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Copper Eddy current Hysteresis Friction Copper Eddy current Hysteresis Friction ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 90 V 900 V 9 V 0.9 V 90 V 900 V 9 V 0.9 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The dielectric strength of transformer oil is expected to be 330 kV 33 kV 100 kV lkV 330 kV 33 kV 100 kV lkV ANSWER DOWNLOAD EXAMIANS APP
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