(Solved): The current components of a long diode is given below. The important points that determine the chara ...

The current components of a long diode is given below. The important points that determine the characteristics of the diode current is marked as (A)-(D) in the figure. Indicate the doping of the left and right side of the diode. Left: P+; right N Left: P; right N+ Left: N+; right P Left: N; right P+ In the diode equation I=I_0(e^{\frac{qV_A}{kT}}-1) where I_0=q(D_n\frac{n_{p0}}{L_n}+D_p\frac{p_{n0}}{L_p}) is derived based on the carrier currents calculated at different locations of the diode. Which of the point (A)-(D) represents the electron current used in the diode equation? Which of the point (A)-(D) represents the hole current used in the diode equation? When the p-side doping is increased by two times, answer the following questions. Which of the following quantity increase? (pick all that apply) current at point (A) current at point (B) current at point (C) current at point (D) Total I_{total} None of the above increases Which of the following quantity decrease? (pick all that apply) current at point (A) current at point (B) current at point (C) current at point (D) Total I_{total} None of the above decreases Which of the following quantity remains unchanged? (pick all that apply) current at point (A) current at point (B) current at point (C) current at point (D) Total I_{total} None of the above remains unchanged When the applied forward voltage is slightly increased, answer the following questions. Which of the following quantity increase? (pick all that apply) current at point (A) current at point (B) current at point (C) current at point (D) Total I_{total} None of the above increases Which of the following quantity decrease? (pick all that apply) current at point (A) current at point (B) current at point (C) current at point (D) Total I_{total} None of the above decreases Which of the following quantity remains unchanged? (pick all that apply) current at point (A) current at point (B) current at point (C) current at point (D) Total I_{total} None of the above remains unchange