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Author Question: For a closed surface through which the net flux is zero, each of the following four statements could ... (Read 78 times)

chandani

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For a closed surface through which the net flux is zero, each of the following four statements could be true. Which of the statements must be true? (There may be more than one.)
   (a) There are no charges inside the surface.
   (b) The net charge inside the surface is zero.
   (c) The electric field is zero everywhere on the surface.
   (d) The number of electric field lines entering the surface equals the number leaving the surface.


  1.(a) only
  2.(b) only
  3.(b) and (d)
  4.(a) and (d)

Question 2

Find the electric flux through the surface in the figure below.
 



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wergv

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Answer to Question 1

3

Answer to Question 2

4





 

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