What is a potentiometer?

What is the advantage of using thick metallic strips to join wires in a potentiometer?

Why is potentiometer preferred over a voltmeter for measuring emf? or explain. Potentiometer acts as an ideal voltmeter .

When a balance point is obtained in a potentiometer for finding the internal resistance of a cell, the current through the potentiometer wire is due to

State the disadvantages of potentiometer over voltmeter.

Sensitivity of a particular potentiometer can be increased by

State the advantages of potentiometer over voltmeter.

State any two advantages of potentiometer over voltmeter.

Explain the use of potentiometer for determining he internal resistance of cell.

Which of the following can cause the null point of a potentiometer to shift beyond the wire ?

Two cells of emf's approximately 5 V and 10 V are to be accurately compared using a potentiometer of length 400 cm .