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in Physics by (90.8k points)
In a regular polygon of n sides, each corner is at a distance r from the center . Identical charges are placed at ( n-1) corners . At the center, the intensity is E and the potential is `V`. The ratio ` V//E` has magnitude .
A. nr
B. `(n-1)r`
C. `(n-1)//r`
D. `r(n-1)//n`

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1 Answer

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by (89.9k points)
Correct Answer - B
`V=(n-1)(KQ)/(r), E=(KQ)/(r^(2))rArr V/E=(n-1)r`

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