Transformers In a transformer the resistance between its primary and secondary is 1 ohm Zero Infinite 1000 ohms 1 ohm Zero Infinite 1000 ohms ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ Inversely proportional to supply frequency None of the listed here Directly proportional to supply frequency Inversely proportional to primary voltage Inversely proportional to supply frequency None of the listed here Directly proportional to supply frequency Inversely proportional to primary voltage ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. Above 40% 30-40% 3-5% 15-30% Above 40% 30-40% 3-5% 15-30% ANSWER DOWNLOAD EXAMIANS APP
Transformers What is the approximate efficiency of large transformers? 75% 65% 95 % 85% 75% 65% 95 % 85% ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its dielectric strength of oil copper loss voltage ratio temperature rise dielectric strength of oil copper loss voltage ratio temperature rise ANSWER DOWNLOAD EXAMIANS APP
Transformers Transformer breaths in when load on it decreases load on it increases load remains constant None of these load on it decreases load on it increases load remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
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