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Introductory Physics Homework Help
Electric currents and Magnetic fields
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[QUOTE="kuruman, post: 5717279, member: 192687"] Did you mean magnetic field? There is an electric field inside the current-carrying wire, but all it does is push electrons from one end to the other. I believe this question is about the effects of the magnetic field set up by the current in the wire. Check out "diamagnetism". Are you saying that if the current is turned off the insulator will stop being polarized? What relevant equation relates the polarization to the current? [/QUOTE]
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Introductory Physics Homework Help
Electric currents and Magnetic fields
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