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Author Question: A copper ring can be made to levitate about the extended bar of an electromagnet because the ... (Read 157 times)

SAVANNAHHOOPER23

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on: Jul 29, 2018
A copper ring can be made to levitate about the extended bar of an electromagnet because the magnetic field induced in the ring
 
  A) remains strong and steady.
  B) opposes the field producing it.
  C) is attracted to the top end of the bar.
  D) none of the above

Question 2

The amount of current produced by electromagnetic induction depends on the
 
  A) amount of induced voltage.
  B) resistance of the circuit to which it is connected.
  C) both of these
  D) none of the above


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LP

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

Answer: B

Answer to Question 2

Answer: C


SAVANNAHHOOPER23

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Reply #2 on: Jul 29, 2018
Thanks


LP

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


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