The electrostatic potential (ϕ_r) of a spherical symmetric system, kept at origin, is shown in the adjacent figure, and given as ϕ_r = q/{4\pi\epsilon_0r} (r ≥ R_0) ϕ_r = q/{4\pi\epsilon_0R_0} (r < R_0) Which of the following option(s) is/are correct? [JEE Adv 2006 P1]

For spherical region r ≤ R_0, the total electrostatic energy stored is zero.

Within r = 2R_0, the total charge is q.

There will be no charge anywhere except at r = R_0.

Electric field is discontinuous at r = R_0.

IIT JEE Advanced 2006 Paper 1

Section: Physics

Question : 14 of 120

Marks: +1, -0

The electrostatic potential (ϕr) of a spherical symmetric system, kept at origin, is shown in the adjacent figure, and given as
ϕr =

4πε0r

(r ≥ R0)
ϕr =

4πε0R0

(r < R0)

Which of the following option(s) is/are correct?

[JEE Adv 2006 P1]

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