Final Essay Jan2022 Write your Name and date on each of your answer sheets. Answer all the questions Question 1 (15 mark

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Final Essay Jan2022 Write Your Name And Date On Each Of Your Answer Sheets Answer All The Questions Question 1 15 Mark 1 (143.54 KiB) Viewed 29 times

Final Essay Jan2022 Write your Name and date on each of your answer sheets. Answer all the questions Question 1 (15 marks) 1) Based on Figure 1, a) What is the type of semiconductor in Figure 1? Figure 1 (1 mark) b) This type of semiconductor is produced by adding impurities to a pure semiconductor (1 mark) d) The majority carrier is c) Because this atom can take electron, it is often referred to as a/an_____ atom. (1 mark) 2) Based on Figure - 2, Excess covalere bond electron +50 V N -50 V V₂0- while the minority carrier is 3.3kf (2 marks) Figure -2 a) What is the value of silicon diode voltage when positive alternation and why? (2 marks) b) What is the value of Yout when positive alternation and negative alternation. 3) BJT circuit analysis Van ov-sv Re 220 la www Ra 10 k Poc=100 Was Voc OV-10V (2 marks) Figure-3 a) Determine the values of lc and Vce in figure - 3 when Vas is adjusted so that Is values are: (3 marks) i) 200 μA ii) 300 μA ji400 μA b) Draw the DC loadline for all the value Ic and Vc from the above answers in one graph (3 marks)