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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A solid sphere of radius R has a charge Q distributed in its volume with a charge density ρ=kr a , where k 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, the value of a is

A solid sphere of radius R has a charge Q distributed in its volume with a charge density ρ=kr a , where k 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, the value of a is

A solid sphere of radius R has a charge Q distributed in its volume with a charge density ρ=kr a the value of a is where k 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