A solid sphere of radius R has a charge Q distributed in its volume with a charge density = r^a, where κ and...

Question

A solid sphere of radius R has a charge Q distributed in its volume with a charge density = r^a, where κ and a are constants and r is the distance from its centre. If the electric field at r = R 2 is 1 8 times that at r = R, find the value of a.

Accepted Answer

2

JEE Advanced 2009 Physics question

Solution

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