To change the polarity of an electromagnet, you would:
A. Reverse the current's direction
B Re...
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Physics, 08.12.2020 17:50 arifkarimi9214
To change the polarity of an electromagnet, you would:
A. Reverse the current's direction
B Remove the iron core from within the coil of wire
C Turn the battery, or other power source, upside-down
D Change the composition of the iron core
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