Electrostatics: JEE Main 2018 Physics question

JEE Main 2018 · Session, Shift 1 · Q7006

JEE Main 2018Session, Shift 1PhysicsMediumElectrostatics167× since 2002

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 :

JEE Main 2018 · Session, Shift 1 · Q7006

JEE Main 2018Session, Shift 1PhysicsMediumElectrostatics167× since 2002

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 :

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