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Author Question: A long wire lies in a tangle on the surface of a table, as shown below. When a current is run ... (Read 60 times)

jjjetplane

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  • Posts: 556
on: Jul 28, 2018

A long wire lies in a tangle on the surface of a table, as shown below. When a current is run through the wire as shown, the largest component of the magnetic field at X points
 
   


   
  a.
  into the table.
   
  b.
  out of the table.
   
  c.
  parallel to the nearest segment of wire.
   
  d.
  antiparallel to the nearest segment of wire.
   
  e.
  along a circle which has its center at the center of the overall loop.

Question 2

Which diagram correctly shows the magnetic field lines created by a circular current loop in which current flows in the direction shown?
   
  a.
 
   
  b.
 
   
  c.
 
   
  d.
 
   
  e.
 


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millet

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

b

Answer to Question 2

c


jjjetplane

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  • Posts: 556
Reply 2 on: Jul 28, 2018
Gracias!

komodo7

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Reply 3 on: Yesterday
Wow, this really help

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