anonymous
  • anonymous
A 5.0 m portion of wire carries a current of 8.0 A from east to west. It experiences a magnetic field of 6.0 × 10^-4 T running from north to south. What is the magnitude and direction of the magnetic force on the wire? A. 1.2 * 10^-2 N downward B. 1.2 * 10^-2 N upward C. 2.4 * 10^-2 N downward D. 2.4 * 10^-2 N upward **is the solution choice A? @michele_laino
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Michele_Laino
  • Michele_Laino
here is the situation described by your problem: |dw:1434870022530:dw|
anonymous
  • anonymous
ok!
Michele_Laino
  • Michele_Laino
oops, I have made a n error: |dw:1434870146959:dw|

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anonymous
  • anonymous
ok:)
Michele_Laino
  • Michele_Laino
now the magnitude of the magnetic force F is: \[\Large F = ILB = 8 \times 5 \times 6 \times {10^{ - 4}} = ...Newtons\]
anonymous
  • anonymous
ok! so we get 0.024!
anonymous
  • anonymous
so either choice A or choice B! but it is moving downward right? so choice A is our solution?
Michele_Laino
  • Michele_Laino
it is option D, since the vector F is pointing out from the drawing plane toward the observer
anonymous
  • anonymous
ohhhh okay! oops! :P thank you!!
Michele_Laino
  • Michele_Laino
:)

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