AIIMS 2019 Physics Electric Field Between Sheets MCQ Question
Two parallel large thin metal sheets have equal surface charge densities () of same signs. The electric field between these sheet is
Zero
Correct Answer
Detailed Explanation
When the surface charge densities σ₁ and σ₂ are equal (σ₁ = σ₂), the electric field E between the sheets becomes zero, as indicated by the formula E = (σ₁ - σ₂) / (2ε₀). This means that there is no net electric field in the region between the sheets, which is a fundamental concept in electrostatics where equal and opposite charges create a neutral field. Options (1), (2), and (4) do not accurately reflect the condition of zero electric field when the charge densities are equal, making them incorrect in this context. Understanding this principle is crucial for analyzing electric fields created by charged conductors.
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