Ruth158 Ruth158 22-05-2023 Mathematics contestada Consider a silicon pn junction at T= 300K with doping densities Na =1 x 1018/cm3 and Nd = 1 x 1015/cm3. Assume that ni = 1.5 x 1010/cm3. a) Calculate the built-in potential barrier in a pn junction. b) Re-calculate Vbi if Na = 1 x 1016/cm3