MHT CET 2025 Physics question
The electric field intensity on the surface of a solid charged sphere of radius r and volume charge density is ( = permittivity of free space)
Answer: (D)
Solution
Total charge of the uniformly charged solid sphere: . By Gauss's law (or Coulomb's law for points on or outside the sphere) the field at the surface is \frac{1}{4πε_0}$ =
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