Q.
Potentiometer is used for

AAccurate measurement of emf of a cell or the potential difference (p.d.) between two points of an electric circuit.
BMeasurement of electrical resistance in the cell
CMeasurement of electric current in a cell
DMeasurement of capacitance of cell.

Correct Answer : (A)
Accurate measurement of emf of a cell or the potential difference (p.d.) between two points of an electric circuit.

Hints :

Potentiometer is used for Accurate measurement of emf of a cell or the potential difference (p.d.) between two points of an electric circuit.

Which of the following are Integrating instruments?

Resistances can be measured with the help of

Morning Exam