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...
Physics, 29.06.2019 06:20