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A Charge of 4 xx 10^(-8) C is distrivute...

A Charge of `4 xx 10^(-8) C` is distrivuted uniformaly on the surface of a sphere of rasius 1 cm. It is covered by a concentric, hollow conducting sphere of radius 5 cm. (a) Find the electric field at a point 2 cm away from the centre. (b) A charge of`6 xx 10^(-8)C` is placed on the hollow spher. Find the surface charge density on the outer surface of the hollow sphere.

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