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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > An infinity long uniform line charge distribution of charge per unit length λ lies parallel to the y-axis in the y−z plane at z = root 3 / 2 a (see figure). If the magnitude of the flux of the electric field through the rectangular surface ABCD lying in the x−y plane with its centre at the origin is λL/nε0 ( ε0 = permittivity of free space), then the value of n is

An infinity long uniform line charge distribution of charge per unit length λ lies parallel to the y-axis in the y−z plane at z = root 3 / 2 a (see figure). If the magnitude of the flux of the electric field through the rectangular surface ABCD lying in the x−y plane with its centre at the origin is λL/nε0 ( ε0 = permittivity of free space), then the value of n 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