Transformers The primary and secondary of a transformer are ______ coupled. Electrically and magnetically Magnetically None of the listed here Electrically Electrically and magnetically Magnetically None of the listed here Electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV? 0.25 kVA 16 kVA 8 kVA 4 kVA 0.25 kVA 16 kVA 8 kVA 4 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has reduced magnetic leakage None of these high eddy current losses negligibly hysteresis losses reduced magnetic leakage None of these high eddy current losses negligibly hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ None of the listed here Remains unchanged Is increased Is decreased None of the listed here Remains unchanged Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 30-40% Above 40% 3-5% 15-30% 30-40% Above 40% 3-5% 15-30% ANSWER DOWNLOAD EXAMIANS APP
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
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