Asked by Help The ELA Kid📃✏️😔
Which of these is NOT true about electromagnets?
*
they are permanent
increasing the number of coils makes them stronger
they need a battery or other source of current
increasing the battery makes them stronger
*
they are permanent
increasing the number of coils makes them stronger
they need a battery or other source of current
increasing the battery makes them stronger
Answers
Answered by
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they are permanent
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