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A uniform charged hemisphere of radius b...

A uniform charged hemisphere of radius b and charge density `rho` has a hemispherical cavity of radius `a(a=b/2)` cut from its centre . If the potential at the centre of the cavity is `(nrhob^2)/(16 in_0)` then n = ?

A

3

B

4

C

5

D

6

Text Solution

Verified by Experts

The correct Answer is:
A
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