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calculate the resistance of 50m length of wire of cross sectional area 0.01 square mm and of resistivity 5*10 to the power minus 8

User Beric
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Resistance R = resistivity * length / area R = 5 10^(-8) * 50 m / 0.01 * 10^(-3) * 10^(-3) R = 250 Ohms
User The Walrus
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