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As a parallel-plate capacitor with circular plates 25 cm in diameter is being charged, the current...

As a parallel-plate capacitor with circular plates 25 cm in diameter is being charged, the current density of the displacement current in the region between the plates is uniform and has a magnitude of 27 A/m2. (a) Calculate the magnitude B of the magnetic field at a distance r = 54 mm from the axis of symmetry of this region. (b) Calculate dE/dt in this region.

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