History, asked by Manvisharma42, 1 month ago

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an electric conductor of copper with a diameter. of 1 mm is covered with plastic insulation of thickness 1 mm . the temperature of its surroundings is 20°c . find the maximum current carried by the conductor so that no part of plastic is above 80°c. The following data can be made use of , Kcopper = 400 W/mk , Kplastic = 0.5

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