A step down transformer converts a voltage of 2000 V inot 200 V in the transmission
Channel: Doubtnut
Date: 2020-08-02

A step down transformer converts a voltage of 2000 V inot 200 V in the transmission line. Number of turns in primary coil is 5000, efficiency of transformer is 80% and output power is 8 kW. Calculate input power and number of turns in secondary coil.