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Kirchhoff's Junction Law

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Question

Plot a graph showing the variation of electric field as a function of $r > R$ and $r < R$ . (r is being the distance from the centre of the shell)

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Solution

Electric filed is given by

$E = \frac{1}{4 π ε_{0}} \frac{q}{r^{2}}$

The variation of electric field is shown in above picture.

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