SSC JE Electrical Engineering 9 Oct 2023 Shift 3 Paper

Find the estimated current taken by the primary side if a single-phase transformer with a voltage ratio of 440/110 V takes a no-load current of 5 A at 0.2 power factor lagging and the secondary supplies a current of 120 A at a power factor of 0.8 lagging. Given that cos(41°36’) = 0.748.