A parallel-plate air-filled capacitor having area 40.0 cm2 and plate spacing 0.940 mm is charged to a potential difference of 530 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.

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A parallel-plate air-filled capacitor having area 40.0 cm2 and plate spacing 0.940 mm is charged to a potential difference of 530 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.

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