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Author Question: A coil lies flat on a level table top in a region where the magnetic field vector points straight ... (Read 69 times)

robinn137

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on: Jul 29, 2018
A coil lies flat on a level table top in a region where the magnetic field vector points straight up. The magnetic field suddenly grows stronger.
 
  When viewed from above, what is the direction of the induced current in this coil as the field increases? A)
 
  counterclockwise
  B)
 
  clockwise
  C)
 
  clockwise initially, then counterclockwise before stopping
  D)
 
  counterclockwise initially, then clockwise before stopping
  E)
 
  There is no induced current in this coil.

Question 2

A coil lies flat on a table top in a region where the magnetic field vector points straight up. The magnetic field vanishes suddenly. When viewed from above, what is the sense of the induced current in this coil as the field fades?
 
  A)
 
  The induced current flows counterclockwise.
  B)
 
  The induced current flows clockwise.
  C)
 
  There is no induced current in this coil.
  D)
 
  The current flows clockwise initially, and then it flows counterclockwise before stopping.
  E)
 
  The current flows counterclockwise initially, and then it flows clockwise before stopping.


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Smiles0805

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

A


robinn137

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Reply #2 on: Jul 29, 2018
Thanks


Smiles0805

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Reply #3 on: Jul 29, 2018
Welcome :)


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