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9.6 Exercise 7

Avg difficulty 2.5

Suppose that the cross-sectional area of the strip (the area of the face perpendicular to the electric current) presented to the in the preceding problem is 1mm21 \text{mm}^{2} and the current is independently measured to be 2 mA. What is the number density of the charge carriers?

OpenStax University Physics Volume 3, 9.6 Semiconductors and Doping, exercise 7

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Adapted from University Physics Volume 3 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 3. Imported at revision db44eb9.