All Problems

Constant Magnetic Field, Magnetics

Problem 3.268

Find the mobility of the conduction electrons in a copper conductor if in Hall effect measurements performed in the magnetic field of induction B=100mTB=100 \mathrm{mT} the transverse electric field strength of the given conductor turned out to be η=3.1⋅103\eta=3.1 \cdot 10^{3} times less than that of the longitudinal electric field.

Reveal Answer
u0=1/ηB=3.2⋅10−3 m2/(V⋅s)u_{0}=1 / \eta B=3.2 \cdot 10^{-3} \mathrm{~m}^{2} /(\mathrm{V} \cdot \mathrm{s})
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