Problem 24.7: Describe Gaussian surfaces for a capacitor

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Each "charge" represents a long charged rod that extends into and out of the screen (position is given in meters). Restart.

  1. Explain the electric field you see when the capacitor (long parallel sheets of charge) is complete.
  2. The top and bottom sheets have equal and opposite charge. Which one is positively charged? Which is negatively charged?
  3. What type of Gaussian surface would you use to find the field inside the capacitor? What type would you use outside the capacitor?
  4. Sketch the Gaussian surface and explain why you chose it.

Problem authored by Wolfgang Christian, Melissa Dancy and Anne J Cox.

Physlets were developed at Davidson College and converted from Java to JavaScript using the SwingJS system developed at St. Olaf College.

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