Transformers In which of the following transformer part of primary winding also serves as the secondary winding? Current transformer Step-up transformer Potential transformer Auto transformer Current transformer Step-up transformer Potential transformer Auto transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will have zero efficiency at Full load None of the listed here Half full load No load Full load None of the listed here Half full load No load ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is increased, the eddy current _____ Is decreased None of the listed here Is increased Remains unchanged Is decreased None of the listed here Is increased Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer routine efficiency depends upon Both power factor and load current Power factor of load Load current Supply frequency Both power factor and load current Power factor of load Load current Supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers The steel used for transformer core has High permeability Low hysteresis loss All of the listed here High silicon content High permeability Low hysteresis loss All of the listed here High silicon content ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 50 per cent 98 per cent 100 per cent 25 per cent 50 per cent 98 per cent 100 per cent 25 per cent ANSWER DOWNLOAD EXAMIANS APP
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