As a parallel-plate capacitor with circular plates 20 cm
Chapter , Problem 25(choose chapter or problem)
As a parallel-plate capacitor with circular plates 20 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 20 A/m2 . (a) Calculate the magnitude B of the magnetic field at a distance r ! 50 mm from the axis of symmetry of this region. (b) Calculate dE/dt in this region
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