Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Iron losses Eddy current loss Leakage reactance Copper loss Iron losses Eddy current loss Leakage reactance Copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which has no losses and magnetic leakage a common core for its primary and secondary windings interleaved primary and secondary windings core of stainless steel and winding of pure copper metal no losses and magnetic leakage a common core for its primary and secondary windings interleaved primary and secondary windings core of stainless steel and winding of pure copper metal ANSWER DOWNLOAD EXAMIANS APP
Transformers A tap changer is used on a transformer for Adjustments in secondary voltage Adjustment in primary voltage None of the listed here Adjustment in both primary and secondary Adjustments in secondary voltage Adjustment in primary voltage None of the listed here Adjustment in both primary and secondary ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Is a static device Uses inductive coupling Uses electric coupling Uses capacitive coupling Is a static device Uses inductive coupling Uses electric coupling Uses capacitive coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Copper Wood Aluminium Silicon steel Copper Wood Aluminium Silicon steel ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer is smallest? 2kVA, 500 Hz 2kVA, 400 Hz 2kVA, 200 Hz 2kVA, 50 Hz 2kVA, 500 Hz 2kVA, 400 Hz 2kVA, 200 Hz 2kVA, 50 Hz ANSWER DOWNLOAD EXAMIANS APP