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1.what length of copper wire of cross-section area 0.01mm² would be required to obtain a resistance of 1k(ω) . resistivity of copper 1.7 ×10^-8..
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What length of a copper wire of cross-sectional area 0.01 mm2 will be needed to prepare a resistance of 1 kΩ ? Resistivity of copper =1.7 x 10-8Ω-m.
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