Question

Does the value of resistance of a conductor depend upon the potential difference applied across it or the current passed through it?​

Answer 1

Answer:

Resistance is a matirial property and does not depend upon current and potential difference. It is only depend upon the shape size and matirial used in it.

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Answer 2

Answer:It depends.

Explanation:

As you might know the formula to calculate Resistance is

V=IR

V = voltage or potential difference

I = current

R= Resistance

Clearly as you can see the resistance depends both on p.d and current.

Besides this the resistance is also directly affected by-

1) Length of conductor- Longer the conductor higher the resistance.

2) Area of cross section or thickness of conductor- Thicker it is , lower is the resistance.

3) Material of conductor- Metals have lowest resistance and insulators have highest.

4) Temperature of conductor - Lower temperature lower resistance.

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