Question

using Gauss theorem derive an expression for electric field intensity due to uniformly charged spherical shell ; (1) outside shell, (2) on surface of spherical shell​

Answer 1

Answer:

Expression for E due to a charged conducting spherical shell:

Let total charge on it is 'q' and radius is R.

Surface charge density σ = (Total charge)/(Surface area) = q/4πR2 ....(1)  Since the shell is uniformly charged, the intensity of electric field at any point depends on radial distance 'r' from centre 'O'.

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