Oersted's Experiment
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Oersted's Experiment
Oersted's experiment that when an electric current is passed through a conducting wire, a magnetic field is produced around it. The presence of magnetic field at a point around a current carrying wire can be detected with the help of a compass needle. If a compass needle is placed in the vicinity of the current carrying wire, needle of the compass is found to deflect in a definite direction. The direction of the deflection of needle is reversed if the direction of current in the wire is reversed.
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