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## Homework Statement

The electric field between two circular plates of a capacitor is changing at a rate of 1.5 x 10^6 V/m per second. If the displacement current at this instant is Id = 0.80 x 10^-8A, find the dimensions of the plate.

## Homework Equations

Id = ΔQ/Δt = ε0(ΔΦE/Δt)

ΦE = EA

Q = CV

C = ε0AE

ε0 = 8.85 x 10^-12

## The Attempt at a Solution

I am unsure how to go about this question. Any guidance is appreciated!