In the figure, a capacitor with circular plates of radius R = 14.0 cm is connected to a source of emf 8 = 8m sin wt, where 8 = 220 V and w = 140 rad/s. The maximum value of the displacement current is id=6.50 μA. Neglect fringing of the electric field at the edges of the plates. (a) What is the maximum value of the current i in the circuit? (b) What is the maximum value of doe/dt, where DE is the electric flux through the region between the plates? (c) What is the separation d between the plates? (d) Find the maximum value of the magnitude of B between the plates at a distance r = 13.0 cm from the center. (a) Number (b) Number (c) Number i IN i i E=E,,sin at Units Units k◊ Units mm

In the figure, a capacitor with circular plates of radius R = 14.0 cm is connected to a source of emf 8 = 8m sin wt, where 8 = 220 V and w = 140 rad/s. The maximum value of the displacement current is id=6.50 μA. Neglect fringing of the electric field at the edges of the plates. (a) What is the maximum value of the current i in the circuit? (b) What is the maximum value of doe/dt, where DE is the electric flux through the region between the plates? (c) What is the separation d between the plates? (d) Find the maximum value of the magnitude of B between the plates at a distance r = 13.0 cm from the center. (a) Number (b) Number (c) Number i IN i i E=E,,sin at Units Units k◊ Units mm

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 106CP: A parallel-plate capacitor with plate separation d is connected to a source of emf that places a...

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