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Introductory Physics Homework Help
What causes electric field/ magnetic field?
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[QUOTE="YMMMA, post: 6077701, member: 651903"] [h2]Homework Statement [/h2] What causes electric field? What causes magnetic field? (I) stationary electric fields (II) moving electric charges (III) a changing magnetic field IV) a current-carrying wire [h2]Homework Equations[/h2] E=F/q B=μI/2πr E electric field F elecric force Q charge B magnetic field I current r distanc(radius) [h2]The Attempt at a Solution[/h2] [/B] I) Stationary electric charges creates electric fields tht points radially outward/inward. II) moving electric charges, like current flowing through a wire, cause magnetic fields. Can it produce electric fields as well since it is a charge? III) That statement has me confused. It’s a change in magnetic field, so current is induced. It’s Faraday’s law. But what is caused exactly? Any hints? IV) same as II [/QUOTE]
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Introductory Physics Homework Help
What causes electric field/ magnetic field?
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