Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is None of these less than one approximately equal to one great than one None of these less than one approximately equal to one great than one ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer does not posses ______changing property. Voltage Current Impedance Power Voltage Current Impedance Power ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine None of the listed here All day efficiency Stray losses Temperature None of the listed here All day efficiency Stray losses Temperature ANSWER DOWNLOAD EXAMIANS APP
Transformers The short circuit test helps us to find Cu loss at no load Iron loss at no load None of the listed here Cu loss at any desire load Cu loss at no load Iron loss at no load None of the listed here Cu loss at any desire load ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a None of these routine test special test type test None of these routine test special test type test ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current none of above will happen hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current hot because primary will carry heavy current none of above will happen ANSWER DOWNLOAD EXAMIANS APP
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