Question

Three charges $-q,+Q$ and $-q$ are placed at equal distances along a straight line. If the total P.E. of the system is zero, the ratio $\frac{Q}{q}$ becomes

• A. $\frac{1}{8}$
• B. $\frac{1}{6}$
• C. $\frac{1}{4}$
• D. $\frac{1}{2}$

Answer 1

Answer: (C)

Correct answer is (c) $\frac{1}{4}$