Question

The potentials at points A and B are \( V_A \) and \( V_B \) respectively for the charges \( +q \) and \( -q \) placed at distances ' x ' each from points A and B as shown in figure. The distance between points A and B is ' y '. The net potential (\( V_A - V_B \)) is proportional to

• A. \( \frac{2qy}{x(x+y)} \)
• B. \( \frac{-2qy}{x(x+y)} \)
• C. \( \frac{qy}{x(x+y)} \)
• D. Zero

Hint:

- Potential is scalar → add algebraically - Carefully track distances for each charge

Answer 1

The Correct Option is A