Transformers A no-load test is performed on a transformer to determine efficiency copper loss magnetising current core loss magnetising current and loss efficiency copper loss magnetising current core loss magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is the main advantage of an auto-transformer over a two winding transformer? Saving in winding material Eddy losses are totally eliminated Hysteresis losses are reduced Copper losses are negligible Saving in winding material Eddy losses are totally eliminated Hysteresis losses are reduced Copper losses are negligible ANSWER DOWNLOAD EXAMIANS APP
Transformers Which winding in a transformer has more number of turns? Secondary winding High voltage winding Low voltage winding Primary winding Secondary winding High voltage winding Low voltage winding Primary winding ANSWER DOWNLOAD EXAMIANS APP
Transformers When the secondary of a transformer is short circuited, the primary inductance _______ Is increased Remians unchanged None of the listed here Is decreased Is increased Remians unchanged None of the listed here Is decreased ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it increases load on it decreases None of these load remains constant load on it increases load on it decreases None of these load remains constant ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has negligibly hysteresis losses None of these reduced magnetic leakage high eddy current losses negligibly hysteresis losses None of these reduced magnetic leakage high eddy current losses ANSWER DOWNLOAD EXAMIANS APP
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