Question

13 of 13 Find the thin insulating shell of radius 2R that also carries 0 s m and e. All r

Answer 1

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Gauss law can be applied to solve this problem.

Here we have a uniform spherical distribution of the electric field.

Hence,

$E*A = Q_{enc}/{\epsilon}_o$

For R<r<2R

$Q_{enc} = Q$

$A = 4\pi r^2$

Hence,

$E = \frac{Q}{4\pi r^2 \epsilon_o}$ For R<r<2R only