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Electrostatics question

2023 · 29 Jan · Shift 2 · Q69

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JEE Main
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Electrostatics
2023 · 29 Jan · Shift 2 · Q69

Electrostatics question

2023 · 29 Jan · Shift 2 · Q69

JEE MainPhysicsElectrostaticsNumerical+4 / −1

For a charged spherical ball, electrostatic potential inside the ball varies with

r

as

\mathrm{V}=2ar^2+b

. Here,

a

and

b

are constant and r is the distance from the center. The volume charge density inside the ball is

-\lambda a\varepsilon

. The value of

\lambda

is

\underline{\hspace{2cm}}

.

\varepsilon

= permittivity of the medium

Numerical answer

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