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MHT CET202121 Sep 2021Morning ShiftPhysicsCapacitanceActual

An air-filled parallel plate capacitor has a capacity 2 pF , The separation of the plates is doubled and the interspace between the plates is filled with dielectric material, then the capacity is increased to 6 pF , The dielectric constant of the material is

Options

  1. A3
  2. B6
  3. C2
  4. D4

Correct answer

B. 6

Step-by-step solution

aligned & C = kA ₀ ~d & C ₂ C ₁ = k ₂ k ₁ d ₁ ~d ₂ & 6 2 = k ₂ 1 1 2 & k ₂=6 aligned

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