Transformers No-load on a transformer is carried out to determine copper loss magnetising current magnetising current and loss efficiency of the transformer copper loss magnetising current magnetising current and loss efficiency of the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine all-day efficiency None of these temperature stray losses all-day efficiency None of these temperature stray losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its Full load cu loss Cu loss at no load None of the listed here Iron loss Full load cu loss Cu loss at no load None of the listed here Iron loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Leakage reactance Copper loss Iron losses Eddy current loss Leakage reactance Copper loss Iron losses Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 50 per cent 98 per cent 25 per cent 100 per cent 50 per cent 98 per cent 25 per cent 100 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be shorted open switched fused shorted open switched fused ANSWER DOWNLOAD EXAMIANS APP