InterviewSolution
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InterviewSolution
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How does the resistance of a wire depend upon its radius ? |
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Answer» The resistance of wire, `R prop 1//r^2` where `r` is the radius of the wire. `(R = rho l//A, i.e., R prop 1//A or R prop 1//pi r^2 or R prop 1//r^2)`. |
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