State Ohm's law. Give its mathematical expression.
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State Ohm's law. Give its mathematical expression.

State Ohm's law. Give its mathematical expression.
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State Ohm's law. Give its mathematical expression.

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Ohm's law— This law states that the current (I) flowing through a conductor is directly proportional to the potential difference (V) applied across its ends, provided the temperature and other physical conditions remain unchanged.

Mathematically, $V \propto I$ or $V=R I$

The proportionality constant $\mathrm{R}$ is called the resistance of the conductor.

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