Question

Derive mathematical expression for resistance. Does ohm's law hold good under all conditions.

Answer 1

Answer:

If we Plot V-I Graph comes out to be a straight line. It experimentally verified Ohm's law. So, we can say that ohm's law doesn't hold under all conditions like non-constant temperature and pressure. Therefore, ohm's law is true for conductors only.

Explanation:

i hope you like my answers