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PhysicsNEET 2021Displacement current and Maxwell's equations (qualitative)

Electromagnetic Waves

A capacitor of capacitance CC is connected across an ac source of voltage VV, given by V=V0sin⁡ωtV = V_0\sin\omega t. The displacement current between the plates of the capacitor would then be given by:

  1. A.Id=V0ωCcos⁡ωtI_d = V_0\omega C\cos\omega t✓
  2. B.Id=V0ωCcos⁡ωtI_d = \dfrac{V_0}{\omega C}\cos\omega t
  3. C.Id=V0ωCsin⁡ωtI_d = \dfrac{V_0}{\omega C}\sin\omega t
  4. D.Id=V0ωCsin⁡ωtI_d = V_0\omega C\sin\omega t

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