Question

In a medium, the force of attraction between two point charges, distance d apart, is F. What distance apart should these point charges be kept in the same medium, so that the force between them becomes 16 F?

• A. $\frac{d}{2}$
• B. $\frac{d}{4}$
• C. $\frac{d}{\sqrt{3}}$
• D. $\frac{d}{\sqrt{2}}$

Answer 1

Answer: (B)

$\frac{d}{4}$

Answer 2

F ¢ = 16 F F ∝