Transformers The mutual inductance when k = 0.65, L1 = 2 H, and L2 = 5 H is 8 μH 4 μH 2 μH 2 mH 8 μH 4 μH 2 μH 2 mH ANSWER DOWNLOAD EXAMIANS APP
Transformers Noise level test in a transformer is a type test None of these special test routine test type test None of these special test routine test ANSWER DOWNLOAD EXAMIANS APP
Transformers Primary winding of a transformer None of these is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding None of these is always a high voltage winding could either be a low voltage or high voltage winding is always a low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are about the same much smaller much higher somewhat smaller about the same much smaller much higher somewhat smaller ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers upto a rating of 1000 kVA 250 kVA 500 kVA 3000 kVA 1000 kVA 250 kVA 500 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 3-5% 15-30% 30-40% Above 40% 3-5% 15-30% 30-40% Above 40% ANSWER DOWNLOAD EXAMIANS APP