Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Eddy current loss Leakage reactance Copper loss Iron losses Eddy current loss Leakage reactance Copper loss Iron losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be switched open fused shorted switched open fused shorted ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Leakage flux is small Applied voltage and frequency are constant Losses are small Iron core is used Leakage flux is small Applied voltage and frequency are constant Losses are small Iron core is used ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Is decreased Is increased None of the listed here Remians unchanged Is decreased Is increased None of the listed here Remians unchanged ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 20 4 2 80 20 4 2 80 ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine Temperature All day efficiency None of the listed here Stray losses Temperature All day efficiency None of the listed here Stray losses ANSWER DOWNLOAD EXAMIANS APP
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