A circular-plates capacitor of radius R emf E = Emsinwt, where Em of the displacement current is ia = 4.5µA. (a) Find the maximum value of the current i in the circuit. (b) Find the maximum value of døE/dt, where E is the electric flux through the region between the plates. (c) Find the separation d between the plates. 22.0 cm is connected to a source of : 237V and w = 180rad/s. The maximum value

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