Transformers A transformer is an efficient device because A static device Uses capacitive coupling Uses electric coupling Uses inductive coupling A static device Uses capacitive coupling Uses electric coupling Uses inductive coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when None of these load on it decreases load on it increases load remains constant None of these load on it decreases load on it increases load remains constant ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has full load copper loss of 400 W. The copper loss at half full load will be _____. 200 W 400 W None of the listed here 100 W 200 W 400 W None of the listed here 100 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer is smallest? 2kVA, 200 Hz 2kVA, 50 Hz 2kVA, 400 Hz 2kVA, 500 Hz 2kVA, 200 Hz 2kVA, 50 Hz 2kVA, 400 Hz 2kVA, 500 Hz ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 65% 85% 75% 95 % 65% 85% 75% 95 % ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on None of the listed here Dc only AC as well as DC Ac only None of the listed here Dc only AC as well as DC Ac only ANSWER DOWNLOAD EXAMIANS APP
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