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a condutor of lenth L having a circular cross section . the radius of cross section vaies linearly from a to b .the resistivity of material is ∂ .asuming that b-a<<L. find resistance of conductor

 a condutor  of lenth  L  having   a  circular cross section . the radius of cross section  vaies  linearly from a to b .the resistivity of material is  ∂ .asuming that b-a<<L. find resistance of conductor

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Grade:12th pass

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
10 months ago
dR=pdx/A.where A is area of cross section at distance x from left end.use similarity get get relation between x and radius of cross section.then use area =pi*radius^2

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