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A non conducting solid sphere of radius 30 cm and relative permittivity 1 has the...

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A non conducting solid sphere of radius 30 cm and relative permittivity 1 has the volume charge r 5 C m 1 3 where r in cm is the radial distance of any point in the 2 density p 30cm space from the centre of the sphere Then choose the correct statement s A Density of electric field lines is maximum at r 25 cm B Density of electric field lines is maximum at r 20 cm C Electrical energy stored in the space r 30 cm to r is same as that of a solid non conducting sphere carrying charge of 0 0225 C and radii 30 cm having uniform volume harge density in the same space r 30 cm to r D Variation of magnitude of electric field due to the sphere with respect to radial distance r is rectangular hyperbola in the region r 30 to r

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