Transformers A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load? 7.3 V 880 V 73 V 88 V 7.3 V 880 V 73 V 88 V 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? 4 kVA 16 kVA 0.25 kVA 8 kVA 4 kVA 16 kVA 0.25 kVA 8 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Magnetically None of the listed here Electrically and magnetically Electrically Magnetically None of the listed here Electrically and magnetically Electrically ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 111.5 W 1,020 W 14.1 W 0 W 111.5 W 1,020 W 14.1 W 0 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Eddy current loss Copper loss Leakage reactance Iron losses Eddy current loss Copper loss Leakage reactance Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Distribution transformers are generally designed for maximum efficiency around 25% load 90% load Zero load 50% load 25% load 90% load Zero load 50% load ANSWER DOWNLOAD EXAMIANS APP
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