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cillapris cillapris
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6 years ago
A long hollow cylindrical conductor (inner radius = 2.0 mm, outer radius = 4.0 mm) carries a current of 24 A distributed uniformly across its cross section. A long wire which is coaxial with the cylinder carries an equal current in the opposite direction. What is the magnitude of the magnetic field 3.0 mm from the axis?
 a. 0.82 mT
  b. 0.93 mT
  c. 0.70 mT
  d. 0.58 mT
  e. 0.40 mT
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hillaryanahillaryana
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6 years ago
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cillapris Author
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6 years ago
Thanks
shimyshiguy
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Yesterday
Brilliant ツ
mambah4
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2 hours ago
Good timing, thanks!
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