Question

State Ohm's law. Write the necessary condition for its validity. What will be the
nature of graph between potential difference and current for a conductor?​

Answer 1

Explanation:

Ohm's law states that at a constant temperature, current ‘I’ through a conductor between two points is directly proportional to the potential difference or voltage ‘V’, across the two points. That is, V = IR.

The necessary condition is that the temperature should be constant.

The nature of the graph is a straight line.

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