Task 31056.
On the side faces of a copper plate placed in a uniform magnetic field with an induction of 0.32 T, a potential difference of 10 ^ -6 arises as a result of the Hall effect. The plate length is 5 * 10 ^ -2 m, width 0.5 cm, thickness 0.15 mm. For copper, the electron concentration is 8 * 10 ^ 23 m ^ -3, the resistivity is 1.7 * 10 ^ -8. Find the electron mobility and the current flowing through the plate.
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