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Author Question: Which statement is always correct when applied to a charge distribution located in a finite region ... (Read 97 times)

sheilaspns

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on: Jul 28, 2018
Which statement is always correct when applied to a charge distribution located in a finite region of space?
 a. Electric potential is always zero at infinity.
  b. Electric potential is always zero at the origin.
  c. Electric potential is always zero at a boundary surface to a charge distribution.
  d. Electric potential is always infinite at a boundary surface to a charge distribution.
  e. The location where electric potential is zero may be chosen arbitrarily.

Question 2

A nonconducting sphere of radius 10 cm is charged uniformly with a density of 100 nC/m3 . What is the magnitude of the potential difference between the center and a point 4.0 cm away?
 a. 12 V
  b. 6.8 V
  c. 3.0 V
  d. 4.7 V
  e. 2.2 V


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dpost18

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Reply #1 on: Jul 28, 2018
Answer to Question 1

E

Answer to Question 2

C


sheilaspns

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

juliaf

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Reply 3 on: Yesterday
Gracias!

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