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Two isolated metallic solid spheres of ...

Two isolated metallic solid spheres of radii R and 2R are charged such that both of these have same charge density `sigma`. The spheres are located far away from each other and connected by a thin conducting wire. Find the new charge density on the bigger sphere.

A

`5 sigma `

B

`6 sigma `

C

` 5/6 sigma`

D

`2 sigma`

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The correct Answer is:
C
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