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The simplest resistor-capacitor circuit studied: a capacitor
and a uniform resistive wire. The colors show the amount of
excess charge in each cell, and the arrows show the direction
and magnitude of the electric field. In steady-state, the
electric field has the same magnitude everywhere to create the
same current at all points in the circuit.
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A resistor-capacitor circuit with a switch. The bottom
wire had an insulating section which became conducting at t=0.
This series studies the electric fields due to nearby and
distant charges when the charge distribution changes rapidly.
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A resistor-capacitor circuit with a sinuous shape. The
surface charges (eventually) result in a uniform current
flowing around all the bends and twists in the circuit.
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