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In the experiment P3.3.4.1, the magnetic field of a long, straight conductor is measured for various currents I as a function of the distance r from the conductor. The result is a quantitative confirmation of the relationshipIn addition, the magnetic fields of circular coils with different radii R are measured as a function of the distance x from the axis through the center of the coil. The measured values are compared with the values which are calculated using the equationThe measurements can be carried out using the combi B sensor. This device contains two Hall sensors which one is extremely sensitive to fields parallel to the probe axis and the second one is sensitive perpendicular to the probe axis.
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