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Author Question: The figure shows a cross section of three parallel wires each carrying a current of 24 A. The ... (Read 65 times)

DyllonKazuo

  • Hero Member
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  • Posts: 565
on: Jul 28, 2018

The figure shows a cross section of three parallel wires each carrying a current of 24 A. The currents in wires B and C are out of the paper, while that in wire A is into the paper. If the distance R = 5.0 mm, what is the magnitude of the force on a 4.0-m length of wire A?
 
   


   
  a.
  15 mN
   
  b.
  77 mN
   
  c.
  59 mN
   
  d.
  12 mN
   
  e.
  32 mN

Question 2

The figure shows a cross section of three parallel wires each carrying a current of 15 A. The currents in wires A and C are out of the paper, while that in wire B is into the paper. If the distance R = 5.0 mm, what is the magnitude of the force on a 4.0-m length of wire C?
 
   


   
  a.
  90 mN
   
  b.
  54 mN
   
  c.
  30 mN
   
  d.
  18 mN
   
  e.
  36 mN


reversalruiz

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  • Posts: 327
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

d


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