Matter & Interactions 2nd ed. Practice Problems
Aaron Titus | High Point University
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2jg0001     Charging Capacitor in an RC circuit     2jg0001
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An RC circuit has a 6-V battery, a resistor, and a capacitor. At , there is no charge on the capacitor plates. At , the switch is closed, and the capacitor begins to charge.


Figure: RC Circuit

  1. What is the time constant of the charging capacitor?
  2. Sketch graphs of vs. , vs. , vs. , and vs. .
  3. At , what is , , , and ?
  4. Sketch the charge on the capacitor plates at .
  5. Sketch due to surface charge on the wire at point P at .
  6. Sketch the fringe field due to surface charge on the capacitor plates, at point P at .
  7. Sketch at point P at .

 


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