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MHT CET Physics question

PhysicsElectric Charges and FieldsMHT CET

The surface charge density of a conductor is . If the conductor surrounded by a medium of dielectric constant 3.14, the magnitude of electric field just outside the conductor is

Answer: (C)

Solution

\dfrac{σ}{ε_0k}\dfrac{12×10^{-12}}{8.85×10^{-12}×3.14}$=0.43\

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Question ID VK-075675