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Author Question: At what distance from a long straight wire carrying a current of 5.0 A is the magnitude of the ... (Read 89 times)

altibaby

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on: Jul 29, 2018
At what distance from a long straight wire carrying a current of 5.0 A is the magnitude of the magnetic field due to the wire equal to the strength of the Earth's magnetic field of about 5.0  10-5 T?
 
  A)
 
  1.0 cm
  B)
 
  2.0 cm
  C)
 
  3.0 cm
  D)
 
  4.0 cm
  E)
 
  5.0 cm

Question 2

A high power line carrying 1000 A generates what magnetic field at the ground, 10 m away?
 
  A)
 
  3.2  10-6 T
  B)
 
  4.7  10-6 T
  C)
 
  6.4  10-6 T
  D)
 
  2.0  10-5 T
  E)
 
  5.6  10-5 T


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234sdffa

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

B

Answer to Question 2

D


altibaby

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


234sdffa

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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