5- Calculate the resistance of a 1 Km long copper wire of area of cross section 2 x 10-2 cm- The resistivity of copper is 1-623 X 10-8 ohm-meter-

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5. Calculate the resistance of a 1 Km long copper wire of area of cross section 2 x 10-2 cm². The resistivity of copper is 1.623 X 10-8 ohm-meter.

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