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In a regular polygon of n sides, each co...

In a regular polygon of `n` sides, each corner is at a distance `r` from the centre. Identical charges each of magnitude `q` are placed at corners. The field at the centre is

A

`k((Q)/(r^(2)))`

B

`(n - 1) k((Q)/(r^(2)))`

C

`((n)/(n -1))k ((Q)/(r^(2)))`

D

`((n - 1)/(n ))k ((Q)/(r^(2)))`

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