A strip of tin is 10 mm wide and 0.2 mm thick. When a current of 20
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A strip of tin is 10 mm wide and 0.2 mm thick. When a current of 20 A is established in the strip and a uniform magnetic field of 0.25 T is oriented perpendicular to the plane of the strip, a Hall voltage of 2.20 mV is measured across the width of the strip. Compute
(a) The density of charge carriers in tin and
(b) The average number of charge carriers contributed by each tin atom. The density of tin is 5.75 x 103 kg/m3 and its molecular mass is 118.7.
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