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OpenStudy (anonymous):
How is the magnetic field of an electromagnet controlled?
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OpenStudy (anonymous):
google it lmao
OpenStudy (anonymous):
by using a switch you can start and stop the flow of electrons, which create the electromagnetic field
OpenStudy (zephyr141):
i think you can reverse polarity to control the magnetic field.
OpenStudy (amistre64):
current controls strength, seems familiar to me
OpenStudy (anonymous):
nerds
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OpenStudy (anonymous):
ill shank you wingspan
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