sssasses please answer these questions. only answers are needed

Post by **answerhappygod** » Fri May 20, 2022 8:10 pm

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Question 34 Not yet answered Marked out of 3.00 p Flag question Given the following digital circuit, which of the following statement is incorrect? A B IT X С Select one: A. If A = 0, B = 0, C =1, the output X is 0 B. If A = 0, B = 1, C =1, the output X is 0 C. If A = 1, B = 0, C =1, the output X is o D. If A = 1, B = 0, C =0, the output X is 0 E. If A = 0, B = 1, C =0, the output X is 0

Question 29 Not yet answered Marked out of 4.00 Flag question Find the current flowing through the n-doped Germanium cylindrical rod at 300K as shown in the 15 Figure, given that the doping concentration n = 3 x 10 , the diffusion constant D. = 101.4 m/s, V = 2 V, L = 0.1 cm and r = 500 um. Give your answer in mA rounded to 3 significant figures. cm 2 L V List of Constants: (save the list for use if necessary) electron charge a = 1.60 x 10-19 С free electron mass m. = 9.11 x 10-31 kg proton mass mp = 1.67 x 10-27 kg Planck constant n = 6.63 x 10-34 JS Boltzmann constant k = 1.38 x 10-23 JK free-space permittivity & = 8.85 x 10-12 F/m =

Question 27 Not yet answered Marked out of 2.00 p Flag question A voltage V, = 220V2sin(100ft)V is applied directly to the electrical heater, and the power consumed by the heater is 1500 W. A fuse is to be used to protect the heater. Please select the current rating for the fuse, considering 30% margin (i.e., the operating current is 70% of fuse current rating). Choose the value that is closest to the answer. Select one: A. 4.77 A B. 13.33 A C. 9.74 A D. 8.86 A E. 6.82 V