Transformers No-load current of a transformer has has high magnitude and high power factor has small magnitude and low power factor has small magnitude and high power factor has high magnitude and low power factor has high magnitude and high power factor has small magnitude and low power factor has small magnitude and high power factor has high magnitude and low power factor ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary? 9.6 0.96 4 0.4 9.6 0.96 4 0.4 ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 30-40% 3-5% Above 40% 15-30% 30-40% 3-5% Above 40% 15-30% ANSWER DOWNLOAD EXAMIANS APP
Transformers The short circuit test helps us to find Cu loss at no load Cu loss at any desire load None of the listed here Iron loss at no load Cu loss at no load Cu loss at any desire load None of the listed here Iron loss at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 98 per cent 50 per cent 25 per cent 100 per cent 98 per cent 50 per cent 25 per cent 100 per cent ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 65% 80% 95% 50% 65% 80% 95% 50% ANSWER DOWNLOAD EXAMIANS APP
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