A transformer having efficiency of 90 is working on 200 V

Last updated: 6/19/2023

A transformer having efficiency of 90 is working on 200 V and 3 kW power supply If the current in the secondary coil is 6 A the voltage across the secondary coil and the current in the primary coil respectively are AIPMT 2014 1 300 V 15 A 3 450 V 13 5 A 2 450 V 15 A 4 600 V 15 A voltage