A parallel-plate air-filled capacitor having area 50 cm² and plate spacing 1.4 mm is charged to a potential difference of 680 V. Find (a) the capacitance, (b) the magnitude of the charge on each plate. (c) the stored energy, (d) the electric field between the plates, (e) the energy density between the plates. (a) Number (b) Number i (c) Number (d) Number: (e) Number i Units Units Units Units Units

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