Physics, asked by naviarora8701, 13 hours ago

The primary and secondary windings of a 500-kVA, 11-kV/415-V, single-phase transformer have resistances of 0.42 Ω and 0.0019 Ω, respectively. Its core losses are 2.9 kW. Assuming the power factor to be 0.8, calculate its efficiency on (a) full load, and (b) half load

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Answered by Subhajit7523690

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