Physics-10th Electricity CBSE Board 2024 Medium
(i) Write the relation between the electrical resistivity ‘\rho’ and the resistance ‘R’ of a cylindrical cond…
- (i)Write the relation between the electrical resistivity ‘’ and the resistance ‘’ of a cylindrical conductor of length ‘’ and area of cross-section ‘’. Use this relationship to determine the SI unit of ‘’.
- (ii)Find the electrical resistivity of the material of a wire of length cm and diameter mm. The resistance of this wire is .
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