Question

A charge q is divided into two parts i.e. q1 and  (q - q1)If the two parts exert a maximum force of repulsion on each  other, than the ratio  q1/q is

Answer 1

Answer:

1/2 is the correct answer.........

Answer 2

Answer:

1:2

Explanation:

F (max.) = q1 ( q -q1) /4π€r^2

Since force has to be maximum the product of the charges must be maximum possible. This is possible only when charges are equally divided that is when, q1= q/2 and q1 -q = q/2

So, q1/q = 1/2