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 The open circuit test on a transformer gives _______ Friction losses Total losses Iron losses Copper losses Friction losses Total losses Iron losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 0.018 18 5.5 0.18 0.018 18 5.5 0.18 ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when None of these load remains constant load on it decreases load on it increases None of these load remains constant load on it decreases load on it increases ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% 30-40% 15-30% Above 40% 3-5% 30-40% 15-30% Above 40% ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its None of the listed here Current efficiency Energy efficiency Power efficiency None of the listed here Current efficiency Energy efficiency Power efficiency ANSWER DOWNLOAD EXAMIANS APP
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