yesimbroke11
yesimbroke11 yesimbroke11
  • 02-06-2022
  • Chemistry
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Which of these is NOT true about electromagnets?






They are permanent.



Increasing the battery makes them stronger.



They need a battery or other source of current.



Increasing the number of coils makes them stronger.

Respuesta :

jsimpson11000 jsimpson11000
  • 02-06-2022

Answer:

Permanent = false

Explanation:

All of the other choices are true

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