Isha Lohan posted an Question
November 17, 2020 • 19:34 pm 30 points
  • IIT JAM
  • Physics (PH)

Q.36 consider a circular parallel plate capacitor of radius r with separation d between the plates (d << r). the plates are placed symmetrically about the origi

Q.36 Consider a circular parallel plate capacitor of radius R with separation d between the plates (d << R). The plates are placed symmetrically about the origin. If a sinusoidal voltage V = Vo sin wt is applied between the plates, which of the following statement(s) is (are) true? (A) The maximum value of the Poynting vector at r = Ris (B) The average energy per cycle tlowing out of the capacitor is zero. (C) The magnetic field inside the capacitor is constant. (D) The magnetic field lines inside the capacitor are circular with the curl being independent of r. 12/18

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    Chandra prakash best-answer

    option a b d

    cropped4798428117905450708.jpg
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    okay. i understood option a and b. but please elaborate little bit on option D.

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    how we get D?

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