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Author Question: A circular loop of wire is rotated at constant angular speed about an axis whose direction can be ... (Read 62 times)

JGIBBSON

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on: Jul 27, 2018
A circular loop of wire is rotated at constant angular speed about an axis whose direction can be varied.
 
  In a region where a uniform magnetic field points straight down, what must be the orientation of the loop's axis of rotation if the induced emf is to be a maximum? A) It must be vertical.
  B) Any horizontal orientation will do.
  C) It must make an angle of 45 to the vertical.
  D) It must make an angle of 45 to the direction North.
  E) It must make an angle of 90 to the direction North.

Question 2

In the geology, the term Precambrian refers to
 
  A) the eon immediately preceding the Phanerozoic eon
  B) all eons preceding the Phanerozoic eon
  C) the eon immediately preceding the Proterozoic eon
  D) all eons preceding the Proterozoic eon


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vickybb89

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


JGIBBSON

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

billybob123

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Reply 3 on: Yesterday
Wow, this really help

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