our station number (written on the Hall effect equipment) 2. A graph of Hall voltage as a function of current. 3. The analysis used to obtain your estimate of the carrier density and its uncertainty. 4. A discussion of whether your estimate is consistent with that found in the literature and what the density of dopant atoms might be. 5. The sign of the charge carriers and how you arrived at it and an educated guess as to the type of dopant atom in the semiconductor. 6. How the experimental sources of uncertainty might be reduced. References Halliday, Fundamentals of Physics 9th edition, chapters 28.3, 29