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Four particles each having a charge q are placed on the four vertices of a regular pentagon. The distance of each corner from the centre is a. Find the electric field at the centre of the pentagon.

A

`1/(4piepsilon_0)(q)/a^2`

B

`1/(4piepsilon_0)(2q)/a^2`

C

`1/(4piepsilon_0)(3q)/a^2`

D

`1/(4pivarepsilon_0)(4q)/a^2`

Text Solution

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The correct Answer is:
A
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