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uzair_ha91
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When a DC flows through a wire, does the electric field vary?
If a changing electric flux produces a magnetic field, then electric field will have to vary constantly, right?
If that's not the case, then what produces a magnetic field around a conductor carrying current?
If a changing electric flux produces a magnetic field, then electric field will have to vary constantly, right?
If that's not the case, then what produces a magnetic field around a conductor carrying current?
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