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The magnitude of the electric field between the two circular parallel plates in the figure is

E = (3.8 × 10⁴)-(6.6 × 10⁵t),

with E in volts per meter and t in seconds. At t = 0, the field is upward. The plate area is 4.7 × 10^-2 m². For t > 0, what is the magnitude of the displacement current between the plates?

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