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Draw a plot showing variation of electric field (E) with distance r

(i) due to a point charge Q. (2012)

(ii) due to linear charge

(iii) due to infinitely long plane sheet

(iv) due to spherical shell

(i)variation of electric field (E) with distance r due to a point charge q.

(ii)variation of electric field (E) with distance r due to linear charge

(iii) variation of the electric field (E) with distance r due to infinitely long plane sheet

The electric field at a distance from an infinite conducting sheet carrying uniform charge density is given by $\frac{\sigma}{2{\epsilon}_{0}}$. Thus, it is independent of r.

(iv)variation of electric field (E) with distance r due to spherical shell

Regards.

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