Question

state Ohm's law mathematically and draw graph between potential difference and current

Answer 1

Ohm's Law states that the current through a metallic conductor is proportional to the potential difference across it if the temperature remains constant.

Note: The gradient of a current against voltage graph is equal to 1/resistance of the component.

Any resistor that obeys Ohm's Law is called an ohmic resistor. Any resistor that doesn't do this is cleverly called a non-ohmic resistor.

Answer 2

Explanation:

Ohm's Law states that the current through a metallic conductor is proportional to the potential difference across it if the temperature remains constant.

Note: The gradient of a current against voltage graph is equal to 1/resistance of the component.

Any resistor that obeys Ohm's Law is called an ohmic resistor. Any resistor that doesn't do this is cleverly called a non-ohmic resistor.