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In a regular polygon of n side, each cor...

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

A

nr

B

`(n-1)r`

C

`(n-1)//r`

D

`r(n-1)//n`

Text Solution

Verified by Experts

The correct Answer is:
B
`V=(n-1)(KQ)/(r), E=(KQ)/(r^(2))rArr V/E=(n-1)r`
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