The balance length in a potentiometer experiment is 60 cm. If the length is increased by 20 cm, the new balance length will be?
Q1. The balance length in a potentiometer experiment is 60 cm. If the length is increased by 20 cm, the new balance length will be?
Answer: 80 cm
Explanation: The balance length is directly proportional to the emf. Increasing the length of the wire doesn't change the emf, so the balance length remains the same if the potential gradient changes. However, the question seems to imply a different scenario.