A step-up down transformer operated on a 2.5 kV line. It supplies a load with 20 A. the ratio of primary winding to the

Question

A step-up down transformer operated on a 2.5 kV line. It supplies a load with 20 A. the ratio of primary winding to the secondary winding is 10:1. If the transformer is 90% efficient, calculate
i) the power output
ii) The voltage end
iii) The current in the secondary coil.

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