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OpenStudy (anonymous):
how does the strength of an electromagnet on the current and the number of turns in the coil?
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OpenStudy (alekos):
If you increase the current, the magnetic field will also increase. If you increase the no of coils then again the magnetic field will increase
OpenStudy (anonymous):
Yes, the field, B, is proportional to the number of coils and to the current.
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