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AIIMS 2006
Exam
AIIMS
Year
2006
Subject
Physics
Chapter
Electrostatics

AIIMS 2006 · Physics · Electrostatics

Two parallel large thin metal sheets have equal surface charge...

Two parallel large thin metal sheets have equal surface charge densities (σ=26.4×10−12C/m2)\left(\sigma=26.4 \times 10^{-12} \mathrm{C} / \mathrm{m}^2\right) of opposite signs. The electric field between these sheets is

Options

  1. A1.5 N/C1.5 \mathrm{~N} / \mathrm{C}
  2. B1.5×10−10 N/C1.5 \times 10^{-10} \mathrm{~N} / \mathrm{C}
  3. C3 N/C3 \mathrm{~N} / \mathrm{C}
  4. D3×10−10 N/C3 \times 10^{-10} \mathrm{~N} / \mathrm{C}.

Correct answer

C. 3 N/C3 \mathrm{~N} / \mathrm{C}

Step-by-step solution

Electric field between the sheets is E=σε0=26.4×10−128.85×10−12≈\frac{\sigma}{\varepsilon_0}=\frac{26.4 \times 10^{-12}}{8.85 \times 10^{-12}} \approx3  N\mathrm{~N}/ C. \mathrm{C} \text{. }
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