question_answer

Two charges 9e and 3e are placed at a distance r. The distance of the point where the electric field intensity will be zero is                 

A)  \[r/(1+\sqrt{3})\]from 3e charge

B) \[r/(1+\sqrt{3})\] from 9e charge

C) \[r/(\sqrt{3}-1)\] from 3e charge

D)  \[r/[1+(1/\sqrt{3})]\]from 3e charge