G A capacitor consists of two circular plates of radius a separated by a distance d << a. The capacitor is being charged using very thin wires that are connected to the (outside) centers of the circular plates and carry a constant current I. Assume the current flows out over the plates in such a way that the surface charge is always uniform, and is zero at t = 0. Neglect edge effects. a) Find the displacement current through the circle of radius s < a that is centered on the axis of the capacitor and in the plane midway between the plates. b) Show that your result from part (a) exactly equals the net current that is flowing onto the plates inside the circle of radius s. (This shows that the displacement current has just the right magnitude to complete the circuit across the capacitor.)
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Physics, 22.06.2019 08:30
Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
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Physics, 22.06.2019 17:40
Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
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Physics, 23.06.2019 01:30
The electric field inside a cell membrane is 8.0mn/c. what's the force on a singly charged ion in this field?
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G A capacitor consists of two circular plates of radius a separated by a distance d << a. The...
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