In a regular polygon of `n` sides, each corner is at a distance `r` from the centre.
Channel: Doubtnut
Date: 2020-08-30

In a regular polygon of `n` sides, each corner is at a distance `r` from the centre. Identical charges are placed at `(n-1)` corners. At the centre, the intensity is `E` and the potential is `V`. The ratio `V//E` has magnitude