Figure 5.9 (b) in the course textbook shows the resulting charge distribution in the depletion region of a pn junction. Which one of Maxwell's equations is used to determine the electric field within the depletion region (shown in Fig. 5.9 (c))? Once the electric field is known, what equation is used to determine the built-in voltage across the depletion region?
PA le|ND -do r 0 d. |-|e|NA (b) E, -dp 0 de Tend, E (c)
Figure 5.9 (b) in the course textbook shows the resulting charge distribution in the depletion region of a pn junction.
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Figure 5.9 (b) in the course textbook shows the resulting charge distribution in the depletion region of a pn junction.
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