Physics-10th Electricity CBSE Board 2022 Medium
(a) Write the relationship between electrical resistance and electrical resistivity for a metallic conductor…
- (a)Write the relationship between electrical resistance and electrical resistivity for a metallic conductor of cylindrical shape. Hence derive the SI unit of electrical resistivity.
- (b)Find the resistivity of the material of a metallic conductor of length 2m and area of cross-section . The resistance of the conductor is 0.04 ohm.
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