JEE Mains 02-Sep-2020 Shift 2 Solved Paper

Section: Physics

Question : 13 of 75

Marks: +1, -0

A charge Q is distributed over two concentricconducting thin spherical shells radii r and R( R> r). If the surface charge densities on thetwo shells are equal, the electric potential at thecommon centre is :

[2 Sep 2020 Shift 2]

1
4πε0
(R+2r)Q
2(R2+r2)
1
4πε0
(R+r)
2(R2+r2)
Q
1
4πε0
(R+r)
(R2+r2)
Q
1
4πε0
(2R+r)
(R2+r2)
Q

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