A copper strip 20cm wide and 1.5mm thick is placed in a magnetic field of 1.7wb/m² .if a current of 220A is set up in the strip.what hall potential difference appears across the strip? (n=8.5×10²⁸/m² and e=1.6×10-¹⁹C)?
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Asked by Egbogu on 11th August, 2024
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