Transformers The iron core is used to ______of the transformer. Provide tight magnetic coupling None of the listed here Increase the wight Reduce core loss Provide tight magnetic coupling None of the listed here Increase the wight Reduce core loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The path of the magnetic flux in transformer should have high reluctance high resistance low reactance low resistance high reluctance high resistance low reactance low resistance ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 0.75 V 48 V 0 V 6 V 0.75 V 48 V 0 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding of the transformer has less cross-sectional area? Secondary winding Low voltage winding Primary winding High voltage winding Secondary winding Low voltage winding Primary winding High voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto 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 no-load test is performed on a transformer to determine magnetising current and loss efficiency copper loss magnetising current core loss magnetising current and loss efficiency copper loss magnetising current core loss ANSWER DOWNLOAD EXAMIANS APP
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