A thin ribbon of a silver alloy 2.00-cm wide and 0.015 0-mm thick carries a current of 6.98 A perpendicular to a magnetic field. The Hall voltage is found to be 1.24 × 10^?4 V when the magnetic field is 2.50 T. Calculate n, the number of charge carriers per cubic meter
5.86 × 10^28/m3
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