CEE Kerala Engineering
CEE Kerala Engineering Solved Paper-2002
question_answer
The distance between charges \[5\times {{10}^{-11}}C\]and \[-2.7\times {{10}^{-11}}C\]is 0.2 m. The distance at which a third charge should be placed from 4e in order that it will not experience any force along the line joining the two charges is: