MHT CET 2023 Physics question
A charge C is distributed uniformly over a large sheet of area of . The electric field intensity at a distance 20 cm from it in air will be
Answer: (A)
Solution
Surface charge density . For a large (infinite) uniformly charged sheet, the field near it is uniform and independent of distance: \dfrac{σ}{2ε_0}\dfrac{8.85×10^{-6}}{2×8.85×10^{-12}}$ =
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