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MHT CET Medical202625 April 2026Morning ShiftPhysicsElectrostaticsActual

Four infinitely large planar charged sheets are placed parallel to each other as shown in Figure 1. Find the magnitude of electric field at point P.

Options

  1. A₀
  2. B2 ₀
  3. C2 ₀
  4. D3 ₀

Correct answer

A. ₀

Step-by-step solution

The electric field due to an infinitely large planar charged sheet is given by E = 2 ₀ , and it is independent of the distance from the sheet. Let the rightward direction be positive. Point P is located to the right of sheets 1, 2, and 3, and to the left of sheet 4. Electric field at P due to sheet 1: E₁ = 3 2 ₀ (towards right) Electric field at P due to sheet 2: E₂ = 2 ₀ (towards right) Electric field at P due to sheet 3: E₃ = - 2 2 ₀ (towards left, as it is negatively charged) Electric field at P due to sheet 4:

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