Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Auto transformer Power transformer Current transformer Voltage transformer Auto transformer Power transformer Current transformer Voltage transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The eddy current loss in a transformer is directly proportional to _______. Square of thickness of core lamination The supply frequency Thickness of core lamination The flux density in the core Square of thickness of core lamination The supply frequency Thickness of core lamination The flux density in the core ANSWER DOWNLOAD EXAMIANS APP
Transformers A no-load test is performed on a transformer to determine copper loss magnetising current and loss core loss magnetising current efficiency copper loss magnetising current and loss core loss magnetising current efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The short circuit test helps us to find Cu loss at any desire load Iron loss at no load None of the listed here Cu loss at no load Cu loss at any desire load Iron loss at no load None of the listed here Cu loss at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine temperature stray losses all-day efficiency None of these temperature stray losses all-day efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ None of the listed here Does not work Has same number of primary and secondary turns Has no losses and leakage reactance None of the listed here Does not work Has same number of primary and secondary turns Has no losses and leakage reactance ANSWER DOWNLOAD EXAMIANS APP
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