Question

A cell of internal resistance $15 \Omega$ is connected between the balance point and the cell, then the balance point will shift

• A. To zero
• B. By 500 cm
• C. By 750 cm
• D. None of the above

Answer 1

Answer: (D)

None of the above

Answer 2

Balance point has some fixed position on potentiometer wire. It is not affect by the addition of resistance between balance point and cell.