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AIIMS2018PhysicsCapacitance

Electric field inside the given capacitor with dielectric is E and dielectric constant of material is K . Find charge density on the plates. (Given E=6 10^5 ~V / m , K=6 )

Options

  1. A18.3 10⁻⁶ C / m ^2
  2. B8.1 10⁻⁷ C / m ^2
  3. C3.18 10⁻⁵ C / m ^2
  4. D3.18 10⁻¹⁰ C / m ^2

Correct answer

C. 3.18 10⁻⁵ C / m ^2

Step-by-step solution

aligned & : E= ₀ K ; 6 10^5= 8.85 10⁻¹² 6 & =36 8.85 10⁻¹² 10^5 C / m ^2 & =3.18 10⁻⁵ C / m ^2 aligned

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