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The Hall Effect Can Be Used to Calculate the Charge-Carrier

Question 44

Multiple Choice

The Hall effect can be used to calculate the charge-carrier number density in a conductor.If a conductor carrying a current of 2.0 A is 0.5 mm thick, and the Hall effect voltage is 4.5 µV when it is in a uniform magnetic field of 1.2 T, what is the density of charge carriers in the conductor?


A) 1.0 x 1028/m3
B) 6.7 x 1027/m3
C) 4.6 x 1027/m3
D) 1.7 x 1027/m3
E) 1.2 x 1027/m3

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