" What is potentiometer? Give its construction and principle."

What is potentiometer ? Give its constant and principle.

What is potentiometer? Discuss its principle.

What is potentiometer ? Discuss its principle.

Describe the construction of potentiometer.

What is potentiometer ? Explain principle of potentiometer.

State the principle of working of a potentiometer. Give its application to measure potential difference and to compare emf of two cells.