Transformers The all day efficiency of a transformer is ______ the commercial efficiency. The same as Less than None of the listed here More than The same as Less than None of the listed here More than ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has high eddy current losses None of these reduced magnetic leakage negligibly hysteresis losses high eddy current losses None of these reduced magnetic leakage negligibly hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be hot because primary will carry heavy current cool as there is no secondary current none of above will happen hot because of heavy iron losses taking place in it due to high flux density hot because primary will carry heavy current cool as there is no secondary current none of above will happen hot because of heavy iron losses taking place in it due to high flux density ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as ringing hum buzz zoom ringing hum buzz zoom ANSWER DOWNLOAD EXAMIANS APP
Transformers The main reason for generation of harmonics in a transformer could be poor insulation mechanical vibrations fluctuating load saturation of core poor insulation mechanical vibrations fluctuating load saturation of core ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it decreases load on it increases None of these load remains constant load on it decreases load on it increases None of these load remains constant ANSWER DOWNLOAD EXAMIANS APP
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