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A capacitor with parallel circular plates of radius R is discharging via a current of 20.0 A. Consider a loop of radius R/3 that is centered on the central axis between the plates. How much displacement current is encircled by the loop? The maximum induced magnetic field has a magnitude of 30 mT. At what radial distance from the central axis of the plate is the magnitude of the induced magnetic field 18.00 mT? (enter as a fraction of R)

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