Transformers The turns ratio required to match an 80 source to a 320 load is 80 2 20 4 80 2 20 4 ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Leakage reactance Apparent power Reactive power None of the listed here Leakage reactance Apparent power Reactive power None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be 50 W 400 W 200 W 100 W 50 W 400 W 200 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same polarity same efficiency same number of turns on the secondary side. same kVA rating same polarity same efficiency same number of turns on the secondary side. same kVA rating ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Aluminium Silicon steel Wood Copper Aluminium Silicon steel Wood Copper ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it is safe to human beings protects the primary circuit None of these avoids core saturation and high voltage induction is safe to human beings protects the primary circuit None of these avoids core saturation and high voltage induction ANSWER DOWNLOAD EXAMIANS APP
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