Transformers A transformer is an efficient device because it _______ Uses electric coupling Uses inductive coupling Uses capacitive coupling Is a static device Uses electric coupling Uses inductive coupling Uses capacitive coupling Is a static device ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Buchholz relay Overcurrent protection Overfluxing protection All of these Buchholz relay Overcurrent protection Overfluxing protection All of these ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through cooling coil through air by the flux None of these through cooling coil through air by the flux None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers An isolation transformer has primary to secondady turns ratio of 1:1 Can be any ratio 2:1 1:2 1:1 Can be any ratio 2:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ None of the listed here Lesser average length per turn Much longer magnetic path Shorter magnetic path None of the listed here Lesser average length per turn Much longer magnetic path Shorter magnetic path ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as ringing buzz zoom hum ringing buzz zoom hum ANSWER DOWNLOAD EXAMIANS APP
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