In Fig. 29.23 the capacitor plates have area 5.00 cm2

In Fig. 29.23 the capacitor plates have area 5.00 cm2 and separation 2.00 mm. The plates are in vacuum. The charging current ic has a constant value of 1.80mA. At t = 0 the charge on the plates is zero.
(a) Calculate the charge on the plates, the electric field between the plates, and the potential difference between the plates when t = 0.500µs.
(b) Calculate dE/dt, the time rate of change of the electric field between the plates. Does dE/dt vary in time?
(c) Calculate the displacement current density jD between the plates, and from this the total displacement current iD. How do iC and iDcompare?

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