A capacitor consists of two circular parallel plates of radius r=150 mm, separated by a distance...
A capacitor consists of two circular parallel plates of radius r=150 mm, separated by a distance d=20 mm. The initial magnitude of the charge on the capacitor is q=9.0 x 10^-8 C, and after discharge is initiated it discharges via a steady current I=2.5 mA.
(a) What is the power that crosses the closed cylindrical surface surrounding the space between the plates 2.0 x 10^-5 seconds after discharge begins?
(b) What is this power at t=2.0 μs?
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