Identical charges of magnitude `Q` are placed at `(n-1)` corners of a regular polygon of `n` sides each corner of the polygon is at a distance `r` from the centre. The field at the centre isA. `(kQ)/(r^(2))`B. `(n-1)(kQ)/(r^(2))`C. `n/((n-1)).(kQ)/(r^(2))`D. `((n-1))/n k Q/(r^(2))`

Identical charges of magnitude `Q` are placed at `(n-1)` corners of a

1.	Identical charges of magnitude `Q` are placed at `(n-1)` corners of a regular polygon of `n` sides each corner of the polygon is at a distance `r` from the centre. The field at the centre isA. `(kQ)/(r^(2))`B. `(n-1)(kQ)/(r^(2))`C. `n/((n-1)).(kQ)/(r^(2))`D. `((n-1))/n k Q/(r^(2))`
Answer» Correct Answer - (a)

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Identical charges of magnitude `Q` are placed at `(n-1)` corners of a regular polygon of `n` sides each corner of the polygon is at a distance `r` from the centre. The field at the centre isA. `(kQ)/(r^(2))`B. `(n-1)(kQ)/(r^(2))`C. `n/((n-1)).(kQ)/(r^(2))`D. `((n-1))/n k Q/(r^(2))`

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