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Author Question: Explain why equipotential surfaces are always perpendicular to the electric field vectors. What ... (Read 142 times)

wrbasek0

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on: Jul 29, 2018
Explain why equipotential surfaces are always perpendicular to the electric field vectors.
 
  What will be an ideal response?

Question 2

You are driving a late model convertible at the 55 mph limit with its soft ragtop roof up and the windows closed. You observe that the roof
 
  A)
 
  bows inward.
  B)
 
  is not changed from when the car was at rest.
  C)
 
  bows outward.
  D)
 
  bows inward only when you are driving uphill.
  E)
 
  bows inward only when you are driving downhill.


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jamesnevil303

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Reply #1 on: Jul 29, 2018
Answer to Question 1

If the electric field is not perpendicular to an equipotential, the field would do work on a charge that moves along the equipotential. In this case, the potential energy of the charge would change, and the surface would not in fact be an equipotential.

Answer to Question 2

C


wrbasek0

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


jamesnevil303

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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