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Author Question: Two long straight parallel wires separated by a distance of 20 cm carry currents of 30 A and 40 A in ... (Read 234 times)

faduma

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on: Jul 28, 2018
Two long straight parallel wires separated by a distance of 20 cm carry currents of 30 A and 40 A in opposite directions. What is the magnitude of the resulting magnetic field at a point that is 15 cm from the wire carrying the 30-A current and 25 cm from the other wire?
 a. 51 mT
  b. 33 mT
  c. 72 mT
  d. 64 mT
  e. 46 mT

Question 2

Each of two long straight parallel wires separated by a distance of 16 cm carries a current of 20 A in the same direction. What is the magnitude of the resulting magnetic field at a point that is 10 cm from each wire?
 a. 57 mT
  b. 80 mT
  c. 64 mT
  d. 48 mT
  e. 40 mT


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yeungji

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

B

Answer to Question 2

D


faduma

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  • Posts: 528
Reply 2 on: Jul 28, 2018
Wow, this really help

phuda

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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