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a cylinder of length L made of copper has resistivity kc having radius r . it is nickel plated till its radius becomes R . the resistivity of nickel plate is kn . find the conductance of nickled plate???
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a cylinder of length L made of copper has resistivity kc having radius r . it is nickel plated till its radius becomes R . the resistivity of nickel plate is kn . find the conductance of nickled plate???