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Author Question: What current must be maintained in a square loop (50 cm on a side) to create a torque of 1.0 N / m ... (Read 40 times)

Jkov05

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on: Jul 28, 2018
What current must be maintained in a square loop (50 cm on a side) to create a torque of 1.0 N / m about an axis through its center and parallel to one of its sides when a magnetic field of magnitude 70 mT is directed at 40 to the plane of the loop?
 a. 66 A
  b. 89 A
  c. 61 A
  d. 75 A
  e. 37 A

Question 2

A straight wire of length L carries a current I in the positive z direction in a region where the magnetic field is uniform and specified by Bx = 3B, By = 2B, and Bz = B, where B is a constant. What is the magnitude of the magnetic force on the wire?
 a. 3.2 ILB
  b. 5.0 ILB
  c. 4.2 ILB
  d. 3.6 ILB
  e. 1.0 ILB


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skipfourms123

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

d

Answer to Question 2

d


Jkov05

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Reply #2 on: Jul 28, 2018
Thanks


skipfourms123

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Reply #3 on: Jul 28, 2018
Welcome :)


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