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Author Question: Three long, straight, parallel wires each carry a current of 10 A in the positive x direction. If ... (Read 47 times)

jake

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on: Jul 28, 2018
Three long, straight, parallel wires each carry a current of 10 A in the positive x direction. If the distance between each wire and the other two is 10 cm, what is the magnitude of the magnetic force on a 20-cm length of either of the wires?
 a. 57 mN
  b. 40 mN
  c. 69 mN
  d. 50 mN
  e. 20 mN

Question 2

Two long parallel wires separated by 4.0 mm each carry a current of 24 A. These two currents are in the same direction. What is the magnitude of the magnetic field at a point that is between the two wires and 1.0 mm from one of the two wires?
 a. 4.8 mT
  b. 6.4 mT
  c. 3.2 mT
  d. 9.6 mT
  e. 5.3 mT


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tkempin

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

C

Answer to Question 2

C


jake

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  • Posts: 538
Reply 2 on: Jul 28, 2018
Excellent

gcook

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Reply 3 on: Yesterday
Wow, this really help

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