Physics, 29.12.2019 18:31 Kittylover65

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

a.
replace the nail with a copper rod

b.
wrap more coils of wire around the nail

c.
use a longer nail

d.
remove the plastic insulation from the wire coil

Answers: 2

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