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A constant voltage V is applied at the two ends of a cable which is a perfect conductor (e.g. a superconductor). Since the cable, anyway, has a non zero inductance L, the current inside it is not infinite but it is proportional to time t: i(t) = V/L * t.
In this situation, how much it is the electric field E inside the cable? Is it zero anyway? If it is, how can I reconcile it with the fact there is a finite voltage V at its ends?
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In this situation, how much it is the electric field E inside the cable? Is it zero anyway? If it is, how can I reconcile it with the fact there is a finite voltage V at its ends?
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lightarrow