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Author Question: Two long parallel wires carry currents of 10 A in opposite directions. They are separated by 40 cm. ... (Read 152 times)

kshipps

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on: Jul 29, 2018
Two long parallel wires carry currents of 10 A in opposite directions. They are separated by 40 cm. What is the magnetic field in the plane of the wires at a point that is 20 cm from one wire and 60 cm from the other?
 
  A)
 
  1.5  10-6 T
  B)
 
  3.3  10-6 T
  C)
 
  6.7  10-6 T
  D)
 
  3.3  10-5 T
  E)
 
  6.7  10-5 T

Question 2

Two long parallel wires carry currents of 20 A and 5.0 A in opposite directions. The wires are separated by 0.20 m. What is the magnetic field midway between the two wires?
 
  A)
 
  1.0  10-5 T
  B)
 
  2.0  10-5 T
  C)
 
  3.0  10-5 T
  D)
 
  4.0  10-5 T
  E)
 
  5.0  10-5 T


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Cnarkel

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

C

Answer to Question 2

E


kshipps

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

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Reply 3 on: Yesterday
Excellent

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