Question

six equal point charges, q, are palced at the vertices of regular hexagon of side a . the charge kept at the centre of the hexagon for the equillibrium of system is
a -q
b -q/6
c 1.83q
d -1.83q

Answer 1

Option B, but it's not the right section to ask such questions.

Answer 2

how do u do it

Answer 3

I am not telling you unless you post the question in physics group.

Answer 4

Closing this question as it is off topic.