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How is electric and magnetic fields related to the current in the wire. Why is the...

How is electric and magnetic fields related to the current in the wire. Why is the electric field in phase with the magnetic field?

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if a current is passed through a wire, a magnetic field is produced around the wire. The voltage (or pressure) applied to drive the current through the wire produces an electric field around the wire. As with a magnetic field around a magnet, the electric and magnetic fields associated with a current-carrying wire will reduce rapidly as the distance from the wire increases.

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