A Hall probe, consisting of a thin rectangular slab of current-carrying material, is
Chapter 20, Problem 20.22(choose chapter or problem)
A Hall probe, consisting of a thin rectangular slab of current-carrying material, is calibrated by placing it in a known magnetic field of magnitude 0.10 T. When the field is oriented normal to the slabs rectangular face, a Hall emf of 12 mV is measured across the slabs width. The probe is then placed in a magnetic field of unknown magnitude B, and a Hall emf of 63 mV is measured. Determine B assuming that the angle between the unknown field and the plane of the slabs rectangular face is (a)
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