Transformers By laminating the core of a transformer, we decrease _____ Hysteresis loss Leakage reactance Eddy current loss Copper loss Hysteresis loss Leakage reactance Eddy current loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer has a 1:6 turns ratio and a secondary coil load resistance of 470 . The load resistance as seen by the source is 7.8 Ω 1.3 Ω 78 Ω 13 Ω 7.8 Ω 1.3 Ω 78 Ω 13 Ω ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of None of these 15 A less than 15 A more than 15 A None of these 15 A less than 15 A more than 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers The open circuit test on a transformer gives _______ Iron losses Total losses Friction losses Copper losses Iron losses Total losses Friction losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Material used for construction of transformer core is usually Silicon steel Copper Wood Aluminium Silicon steel Copper Wood Aluminium ANSWER DOWNLOAD EXAMIANS APP
Transformers The turns ratio required to match an 80 source to a 320 load is 80 2 20 4 80 2 20 4 ANSWER DOWNLOAD EXAMIANS APP
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