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Which statement is true of magnets?
A. Earth is a permanent magnet with two poles.
B. Electromagnets cannot be turned on and off.
C. Electromagnets can be made much stronger than permanent
magnets.
D. A magnet can have one or two poles.
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Answer:

c

Explanation:

The correct option is c.  Electromagnets can be made much stronger than permanent  magnets.

The following information should be considered:

  • The electromagnets should be more stronger as compared to permanent magents
  • It can't be the one or two poles.
  • It can be turned be on and off.
  • In this, electromagnet should be applied at the time when the controllable magnets are needed.

Learn more: https://brainly.com/question/17429689?referrer=searchResults

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