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Author Question: Two long parallel wires lie in the xz plane. One wire passes through the point (2 m, 0, 0) and the ... (Read 90 times)

ereecah

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on: Jul 28, 2018
Two long parallel wires lie in the xz plane. One wire passes through the point (2 m, 0, 0) and the other through the point (+2 m, 0, 0). The wires carry equal currents in the positive z direction. 1 . The magnetic field at (3 m, 0, 0) is in the negative y direction. 2 . The magnetic field at (1 m, 0, 0) is in the positive y direction. 3 . The magnetic field at (+1 m, 0, 0) is in the positive y direction. 4 . The magnetic field at (+3 m, 0, 0) is in the negative y direction.
 a. 1 and 2 are correct.
  b. 1 and 4 are correct.
  c. 2 and 3 are correct.
  d. 3 and 4 are correct.
  e. None of the above are correct.

Question 2

The second most abundant gas in the atmosphere is
 a. oxygen.
  b. nitrogen.
  c. water vapor.
  d. carbon dioxide.


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zhanghao

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

a

Answer to Question 2

a


ereecah

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Reply 2 on: Jul 28, 2018
:D TYSM

carojassy25

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Reply 3 on: Yesterday
Excellent

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