Question

on what factors the resistance of conductor depends? give mathematical expression ​

Answer 1

Answer:

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Answer 2

Answer:

The resistance depends upon resistivity of the material, length, temperature, and area of across -section. Mathematically, R=pl/A where p is the resistivity, is the length and A is area of across section. From above, p=RA/l=ohm *m2/m=ohm-metre.