Q 12-08-012NEETJEE MainEasy
The displacement current between the plates of a capacitor, of plate area $A$, when the electric field between them changes at the rate $\dfrac{dE}{dt}$, is
Answer: (A) $\epsilon_0A\dfrac{dE}{dt}$
$I_d = \epsilon_0\dfrac{d\phi_E}{dt} = \epsilon_0\dfrac{d(EA)}{dt} = \epsilon_0A\dfrac{dE}{dt}$.
Solution by Sreeraj P, M.Sc Physics