Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of None of these 15 A less than 15 A more than 15 A None of these 15 A less than 15 A more than 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of cooling a power transformer is Any of these air blast cooling oil cooling natural air cooling Any of these air blast cooling oil cooling natural air cooling ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine core loss magnetising current magnetising current and loss copper loss efficiency core loss magnetising current magnetising current and loss copper loss efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary windings are wound on the top of each other in order to reduce ______ Iron losses Copper losses Winding resistance Leakage reactance Iron losses Copper losses Winding resistance Leakage reactance 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 50 W 100 W 200 W 400 W 50 W 100 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer having ratings less than 5kVA are generally ______ Oil cooled Natural air cooled None of the listed here Water cooled Oil cooled Natural air cooled None of the listed here Water cooled ANSWER DOWNLOAD EXAMIANS APP
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