Resistance Definition Physics

The property of a conductor by virtue of which it opposes the flow of electric current through it is called its resistance.

The measure of a conductor’s opposition to current flow is known as the resistance of the conductor. Different conductors have different resistance to current flow.
Resistance is denoted by the letter R.
The resistance, R of a conductor is defined as the ratio of potential difference, V across the conductor to the current, I flowing through it.
- Thus:

Factors on which resistance of conductor depends

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resistance of a conductor is directly proportional to length

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