When a wire carrying current is placed in an applied magnetic field, a voltage across the wire is created that is proportional to the strength of the magnetic field is

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The Hall effect describes the phenomenon where a voltage is generated across an electrical conductor, transverse to an electric current in the conductor and a magnetic field perpendicular to the current. This effect is used to measure magnetic field strength and is the basis for many types of magnetic field sensors.

When a Wire Carrying Current Is Placed in an Applied