Question

. An electric charge + 3Q is distributed uniformly throughout a non conducting sphere of radius R.

(a) Using integral form of Gauss’s law show that the electric field at a point r is given by;

(i) ? = 3?/4????² for ? > ?

(ii) ? = 3?/4????² for ? = ?

(ii) ? = 3?/4????³ ? for ? < ?

(b) Sketch a profile of the electric field against r from r = 0 from the axis of the cylinder to a point far away from the axis of the cylinder.

(c) How would your solution to part (b) above change if the sphere was conducting with a uniform area charge distribution of σ C/m² ?

please answer only b and c part.

Answer 1

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