State Ohm’s law. Draw a labelled circuit diagram to verify this law in the laboratory. If you draw a graph between the potential difference and current flowing through a metallic conductor, what kind of curve will you get?

Solution

The graph between potential difference and current in a conductor will be a straight line. It can be explained using Ohm's law.


Ohm’s Law: 

This law states that the ratio of potential difference between the ends of a conductor to the current flowing through the conductor is a constant. This constant is defined as Resistance of the conductor.

Or V=I R

Or R=V/I

Where R=Constant (Resistance)


 

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