An electrical power line, having a total resistance of 2 \\Omega, delivers 1 {kW} at 220 {V} . The efficiency of the transmission line is approximately: [5 Sep 2020 Shift 1]

JEE Mains 05-Sep-2020 Shift 1 Solved Paper

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An electrical power line, having a total resistance of 2Ω, delivers 1 kW at 220 V . The efficiency of the transmission line is approximately:

[5 Sep 2020 Shift 1]

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