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Author Question: Three long wires parallel to the x axis carry currents as shown. If I = 20 A, what is the magnitude ... (Read 156 times)

joblessjake

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on: Jul 28, 2018

Three long wires parallel to the x axis carry currents as shown. If I = 20 A, what is the magnitude of the magnetic field at the origin?
 
   


   
  a.
  37 T
   
  b.
  28 T
   
  c.
  19 T
   
  d.
  47 T
   
  e.
  58 T

Question 2

The magnetic field in a region of space is parallel to the surface of a long flat table. Imagine that this page is lying flat on the table. When current is present in the coil, which is lying on the table, the coil tends to rotate so that the left side moves up and the right side moves down. The magnetic field is
 
   


   
  a.
  directed parallel to the page and downwards.
   
  b.
  directed parallel to the page and upwards.
   
  c.
  directed parallel to the page and to the right.
   
  d.
  directed parallel to the page and to the left.
   
  e.
  in a direction that cannot be determined in this experiment


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morrie123456

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

c

Answer to Question 2

c


joblessjake

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Reply 2 on: Jul 28, 2018
Gracias!

olderstudent

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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