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Author Question: A long wire along the x axis is carrying a current increasing at a constant rate in the +x ... (Read 128 times)

berenicecastro

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on: Jul 28, 2018
A long wire along the x axis is carrying a current increasing at a constant rate in the +x direction. A rectangular coil lies in the x-y plane in the 4th quadrant. In which direction is the induced magnetic field at the center of the rectangular coil?
 a. in the z direction
  b. There is no direction; the induced current in the coil is zero since the x axis and the coil are in the same plane.
  c. in the +z direction
  d. No direction can be found since the orientation of the rectangular coil is not given.

Question 2

Bar One has a Young's modulus that is bigger than that of Bar Two. This indicates Bar One:
 a. is longer than Bar Two.
  b. has a greater cross-sectional area than Bar Two.
  c. has a greater elastic limit than Bar Two.
  d. is made of material that is different from Bar Two.


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pallen55

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

C

Answer to Question 2

D


berenicecastro

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


pallen55

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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