When the electric current through the wire, the magnetic field around the wire will be leading on.Electric current through the wire, the magnetic field around the conductor caused. Find the direction of the magnetic field from the right-hand rule by a handful around the wire and gave thumb point to the direction of the electric current. The direction of the pointing finger loops according to four points the direction of magnetic field.When an electric current through a solo lane aya (as well as the wire circle), the magnetic field will be similar to the magnetic field of a bar magnet. Finding the right direction still rule by way of a handful right around four axes, weave a thyroid, '' to the direction of the electric current thumb will point the direction of the magnetic field.
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