Inn type Ge sample has a donor density of 10^21/cubic m. It is arranged in a Hall experiment having magnetic field of 0.5T and the current density 500 A/sq.m. Find Hall voltage if the sample is 3 mm wide. * O 5.68 x 10^-3 Volts O 4.68 x 10^-3 Volts 4.68 x 10^-4 Volts O 5.68 x 10^-4 Volts
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