### What is the direction of the average magnetic force

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##### Reference no: EM13530395

A strip of copper 3.0 cm wide carries a current I = 28.5 A to the right (see figure below). The strip is in a magnetic field B = 7.0 T into the page.

(a) What is the direction of the average magnetic force on the conduction electrons?

upward/downward

(b) The Hall voltage is 24.5 µV. What is the drift velocity?

mm/s

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