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Author Question: A non-conducting sphere of radius R = 7.0 cm carries a charge Q = 4.0 mC distributed uniformly ... (Read 1359 times)

tth

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on: Jul 29, 2018
A non-conducting sphere of radius R = 7.0 cm carries a charge Q = 4.0 mC distributed uniformly throughout its volume. At what distance, measured from the center of the sphere, does the electric field reach a value equal to half its maximum value?
 
  A) 3.5 cm only
  B) 4.9 cm only
  C) 3.5 cm and 9.9 cm
  D) 3.5 cm and 4.9 cm
  E) 9.9 cm only

Question 2

Which of the following is the strongest fundamental force acting between microscopic particles?
 
  A) Elmer's glue
  B) electromagnetic force
  C) weak force
  D) gravity
  E) strong force


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k2629

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

C

Answer to Question 2

E


tth

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Reply #2 on: Jul 29, 2018
Thanks


k2629

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Reply #3 on: Jul 29, 2018
Welcome :)


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