" Q."8" State the principle of potentiometer."

State the principle of a potentiometer.

Give the basic principle of potentiometer.

State the principle of potentiometer. With the help of circuit diagram, describe a method to find the internal resistance of a primary cell.

State the principle of potentiometer. With the help of circuit diagram, describe a method to find the internal resistance of a primary cell.

State and explain principle of potentiometer.