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A parallel-plate capacitor with area 0.900 m2 and plate separation of 4.00 mm is connected to a 18.00-V battery.
(a) What is the capacitance? F
(b) How much charge is stored on the plates? C
(c) What is the electric field between the plates? N/C
(d) Find the magnitude of the charge density on each plate. C/m2
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