A power transformer is used to step up an alternating e.m.f. of `220 V` to `11kv` to trannsmit `4.4
Channel: Doubtnut
Date: 2020-01-19

A power transformer is used to step up an alternating e.m.f. of `220 V` to `11kv` to trannsmit `4.4 kW` of power. If the primary coil has `1000` turns, what is the current rating of the secondary?(Assume `100%` efficiency for the transformer)