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##### The circuit in the figure below consists of switch S, a 12.0 V-(Answered)

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Question

The circuit in the figure below consists of switch S, a 12.0 V ideal battery, a 17.0 M? resistor, and an air-filled capacitor. The capacitor has parallel circular plates of radius 4.00 cm, separated by 3.00 mm. At time t = 0, switch S is closed to begin charging the capacitor. Take the electric field between the plates to be uniform.

http://www.webassign.net/userimages/displ%20current.jpg?db=v4net&id=197630

a.)?The actual current flowing to/from the capacitor plates.
0.262 ?A (CORRECT)

b.)?The displacement current flowing between the cap plates.
0.262 ?A (CORRECT)

c.)?The electric field between the plates:
2519 N/C (CORRECT)

and its time rate of change at this moment:
____??(N/C)/s =??____ (N/C)/?s

d.)?The size of the magnetic field:

at point 1: (outside the plates, 5 cm radially away from the midpoint of the plates):
____??T
Note that the cap's electric field dies off rapidly outside the plates. (Approximating it as an infinite cap, we say the field is zero except between the plates.)
So... does the induced magnetic field need to be inside the same region of space as the changing electric field that caused it?

at point 2: (within the plates, 3 cm radially away from the midpoint of the plates):
____??T

Paper#9256613 | Written in 27-Jul-2016

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