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InterviewSolution
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The resistance per metre length of a wire is 10 Omega. If the resistivity of the material of the wire is 50 xx 10^(-8) ohm metre, find the area of cross- section of the wire. |
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Answer» SOLUTION :`R = (rhol)/(A)` `10= (50xx10^(-8)xx1)/(A)` `A= (50xx10^(-8)xx1)/(10)= 5xx10^(8) m^(2)` |
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