Three concentric metal shells A,B and C of respective radii a,b and c (a < b < c) have surface charge densities +\sigma,-\sigma and +\sigma respectively. The potential of shell B is : [Main 8 April 2018]

Correct Answer is : σ∊0[a2−b2b+c]

JEE Main 08 Apr 2018 Code A Solved Paper

Section: Physics

Question : 14 of 90

Marks: +1, -0

Three concentric metal shells A,B and C of respective radii a,b and c (a<b<c) have surface charge densities +σ,−σ and +σ respectively. The potential of shell B is :

[Main 8 April 2018]

σ
∊0
[
a2−b2
a
+c]
σ
∊0
[
a2−b2
b
+c]
σ
∊0
[
b2−c2
b
+a]
σ
∊0
[
b2−c2
c
+a]

Validate

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