Transformers Short circuit test of a transformer helps us to find its None of the listed here Full load cu loss Cu loss at no load Iron loss None of the listed here Full load cu loss Cu loss at no load Iron loss 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? 0.4 4 0.96 9.6 0.4 4 0.96 9.6 ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Rectangular type Sandwich type Cylindrical type Circular type Rectangular type Sandwich type Cylindrical type Circular type ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Iron core has high permeability Air is not a good magnetic insulator Applied voltage is sinusoidal Transformer is not an efficient device Iron core has high permeability Air is not a good magnetic insulator Applied voltage is sinusoidal Transformer is not an efficient device ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are much smaller much higher somewhat smaller about the same much smaller much higher somewhat smaller about the same ANSWER DOWNLOAD EXAMIANS APP
Transformers Efficiency of a power transformer is of the order of 100 per cent 25 per cent 98 per cent 50 per cent 100 per cent 25 per cent 98 per cent 50 per cent ANSWER DOWNLOAD EXAMIANS APP