List I shows different configurations of charge distribution List II gives the corresponding total electrostatics energy of the

Question

List I shows different configurations of charge distribution List II gives the corresponding total electrostatics energy of the configuration or the corresponding work done List I P Q R S q A q Four point charges are kept at the vertices of a regular tetrahedron of side R The total electrostatic energy of the configuration is 9 q Thin spherical shell 2R Codes P A 1 B 4 C 3 4R Two thin spherical uniformly charged shells having uniform charge q are separated by distance 4R The total electrostatic energy of the configuration is q 2R B 9 4R A solid non conducting sphere of radius R having uniform charge q is kept inside a thin spherical non conducting shell of radius 2R having uniform charge q The total electrostatic energy of the configuration is Magnitude of work done in expanding the sphere having uniform charge q from radius R to 4R is Q 3 2 2 Thin spherical shell R 4 3 1 S 2 1 4 List II 1 2 3 4 6kq R 6kq 9 R 40 6kq 6R 0 6kq 40R

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