JEE · NEET Previous Year Question

A hollow spherical shell of radius r has a uniform charge density σ. It is kept in a cube of edge 3r such that the centers of the cube and the shell coincide. Then the electric flux coming out of one face of a cube is ( - permittivity of free space)

Topic: JEE PYQ

Answer: D. Full step-by-step solution below.

  1. A
  2. B
  3. C
  4. D

Correct answer: D

Solution

(d) Charge on the hollow sphere,
According to Gauss's law, The flux through a single face of the cube, .

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