yesimbroke11 yesimbroke11

02-06-2022
Chemistry

contestada

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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