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Author Question: A solid aluminum cube rests on a wooden table in a region where a uniform external electric field is ... (Read 52 times)

Starlight

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on: Jul 29, 2018
A solid aluminum cube rests on a wooden table in a region where a uniform external electric field is directed straight upward. What can we say concerning the charge on the top surface of the cube?
 
  A) The top surface is neutral.
  B) The top surface is charged negatively.
  C) The top surface is charged positively.
  D) The top surface's charge cannot be determined without further information.

Question 2

An inductor stores energy in its magnetic field.
 
  A) True B) False


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kaylee05

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

C

Answer to Question 2

A


Starlight

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

bimper21

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Reply 3 on: Yesterday
Excellent

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