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Author Question: A long straight line of charge has a uniform positive charge per unit length . The line is partially ... (Read 102 times)

dejastew

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A long straight line of charge has a uniform positive charge per unit length . The line is partially enclosed in a long rectangular box of length L and ends of area A, the line running through the center of each end.
 
  The electric flux through the surface of the box is

Question 2

Consider a flat steel plate with a hole through its center as shown in Fig.17-1. When the plate's temperature is decreased, the hole will
 
  A)
 
  contract only if it takes up more than half the plate's surface area.
  B)
 
  expand if it takes up less than half the plate's surface area.
  C)
 
  contract.
  D)
 
  expand.
  E)
 
  remain the same size.



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honnalora

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Answer to Question 1

L/ O.

Answer to Question 2

C




dejastew

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Reply 2 on: Jul 29, 2018
Wow, this really help


gcook

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Reply 3 on: Yesterday
Excellent

 

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