Question 10 (1 point) In a Hall-type experiment a current of (3.741x10A-1) A is

Question

Question 10 (1 point) In a Hall-type experiment a current of (3.741x10A-1) A is sent through the length of a metal strip having thickness (2.1000x10A-4) m and width (3.406x10A-3) m. The Hall voltage across the width is measured to be (1.93x10A-4) V when a magnetic field of (3.0810x10A-1) Tis used. What is the number of charge carries per unit volume (assuming the charge carriers possess a charge of q e)? Provide your answer in (charge carriers)/m3 Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Save

Explanation / Answer

hall voltage = v = iB/n*e*t

n = iB/t*e*v

n = 0.3741*0.3081/2.1*10^-4*1.6*10^-19*1.93*10^-4

n = 1.78*10^25

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