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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Isha Lohan posted an Question
November 17, 2020 • 01:37 am
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30 points
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). MULTIPLE CORRECT.
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 = V, 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 =Riso (B) The average energy per cycle flowing 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. 4d2
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Ruby negi Best Answer
option d says that curl of m.f inside the capacitor is independent of r and u can see this by doing curl of m.f that is coming independent of r.(see third line of solution)...