Advanced Placement (AP), 04.02.2021 01:00, maddietomlinson113

If you make an electromagnet using a battery circuit and a steel nail, how can you increase its magnetic strength? Use a longer nail.

Wrap more coils of wire around the nail.

Replace the nail with a copper rod.

Remove the plastic insulation from the wire coil.
I would like a little help with this please

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If you make an electromagnet using a battery circuit and a steel nail, how can you increase its magn...