Physics-10th Electricity CBSE Board 2024 Medium
(i) Write the relation between resistivity (\rho) and resistance (R) for a uniform metallic conductor of leng…
- (i)Write the relation between resistivity () and resistance () for a uniform metallic conductor of length () and area of cross-section (). Use this relation to obtain the SI unit of resistivity.
- (ii)The resistance of a metallic wire of m is . If the radius of the wire is mm, find the resistivity of the metal of the wire.
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