Question

Two positively charged spheres of masses m₁, and m₂ are suspended from a common point at the ceiling by identical insulating massless strings of length l. Charged on the two spheres are q₁ and q₂, respectively. At equilibrium both strings make the same angle θ with the vertical. Then 

 (A) q₁ m₁ = q₂ m₂ 

(B) m₁ = m₂ 

 (C) m₁ = m₂ sinθ 

(D) q₂ m₁ = q₁ m₂ 

Answer 1

Correct option (B) m₁ = m₂
Explanation:

 for equilibrium of m₁