Which of the following phases of human lung development occurs from 17 to 26 weeks of gestation, and is characterized by the formation of a capillary network around airway passages?

What is the common finding among premature babies characterized by an irregular pattern of intermittent respiratory pauses?

(optional, 5 bonus points)  In a pn junction, the maximum injected electron concentration into the p region np(-xp) is _______.

(60+5 bonus points)   Problem I:  Consider a GaAs pn junction diode with doping Nd = Na = 6 × 1016 cm−3. The electron and hole mobility values are μn = 5000 cm2/V-s and μp = 200 cm2/V-s, respectively, and the lifetime values are τ 0 = τ n0 = τ p0 = 1.8 × 10−8 s, ni= 1.6 × 106 cm−3, and relative permittivity is 13.1.  Calculate Vbi , Calculate the depletion region thickness W under a reverse bias of Va= -100 Vt, Vt=kT/e   Calculate the generation current density Jgen under a reverse bias of Va= -200 Vt.     (Permittivity of vacuum ε0 = 8.85×10-14 F/cm, electronic charge q = 1.6×10-19 C, Boltzmann constant  k = 8.62×10-5 eV/K, Planck constant h = 6.63×10-34 Js, Electronic volt eV =1.6×10-19 J)     Problem II:  Assume all the semiconductors considered here are uniform, nondegenerate, and in equilibrium. Given the information provided in each case in the table below, please fill in the missing information in the blank cells.   Cases ii)-iii). Assume ii-iii) are at room temperature.   (Optional, 5 bonus points) cases iv) and v). The value in the cell with “—“ is not provided. Do not assume it is zero.   Cases n (cm-3) p (cm-3) ND (cm-3) NA (cm-3) ND+ (cm-3) NA- (cm-3) ni (cm-3) Doping Type (intrinsic, n or p) Regime (intrinsic, extrinsic, partial ionization) i 1016 1016 0 0 0 0 1016  intrinsic intrinsic ii     1018 6×1017 1×1018 6×1017 1010     iii     8×1015 2×1016     1012     iv (Optional ) 1011 10-15 4×1013 2×1012 —   10-2     v (Optional )     2×1015 9×1014     7×1017           

Question 5 The total number of charges in the p-depletion region _________ that in the n-depletion region in a pn junction.

Question 3 The de Broglie wavelength of a baseball is ______ that of an electron.

What is poka-yoke?

Why do analysts believe ON Semiconductor stock might grow in the near future?

One type of passive portfolio management is __________.

What was a notable highlight of Applied Materials’ latest earnings report?