A `220 V` input is supplied to a transformer. The output circuit draws a current of `2.0 A` at
Channel: Doubtnut
Date: 2020-01-19

A `220 V` input is supplied to a transformer. The output circuit draws a current of `2.0 A` at `440 V`. If the efficiency of the transformer is `80%`, the current drawn by the primery winding of the transformer is