A step down transformer is used to reduce the main supply of 200 V to 11 V. If the primary draws a current of 5 A and the secondary 90 A, what is the efficiency of the transformer ?

A transformer is employed to reduce 220V to 11V . The primary draws a current of 5A and the secondary 90A . The efficiency of the transformer is

A transformer is employed to reduce 220V to 11V . The primary draws a current of 5A and the secondary 90A . The efficiency of the transformer is

A transformer is used to reduce the main supply of 220 V to11 V. If the current in the primary and secondary coils are 5A and 90 A respectively, the efficiency of transformer is

A transformer is used to step down mains supply of 220 V to 22 V. Its primary draws a current of 6 A and secondary draws a current of 50 A . Calculate the efficiency of the transformer .

A transformer is used to reduce the main supply of 220V to 22V. If the currents in the primary and secondary are 2A and 15 A respectively, then the efficiency of the transformer is

A transformer is used to reduce the mains supplyof 220V to 22V.If the currents in the primary and secondary are 2A and 15A respectively, then the efficiency of the transformer is