Question
What conclusion can you draw about displacement current and conduction current?

Answer

(1) Displacement current and conduction current are discontinuous separately but both currents are continuous together at closed path.
(2) Displacement current like conduction current is a source of magnetic field.
(3) Both currents are always equal to each other.
(4) Displacement current is always produced due to change in electric field between the plates of the capacitor.
(5) Current I is between the plates of the capacitor and conduction current is in the wire joining the plates and source of emf.

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  1. Two cells of emf $E_1$ and $E_2$ have their internal resistances $r_1$ and $r_2$, respectively. Deduce an expression for the equivalent emf and internal resistance of their parallel combination when connected across an external resistance $R.$ Assume that the two cells are supporting each other.
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