Please help me with these questions. Remaining Time: 58 minutes, 58 seconds. Que

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Please help me with these questions.


Remaining Time: 58 minutes, 58 seconds. Question Completion Status: QUESTION5 6 polnts Save Answer The energy from light impinging on a semiconductor predominately causes electron transitions QUESTION 6 5 points Save Answer When a semiconductor is perturbed, the thermal recombination and gonoration rates automaticaly change in a manner as to favor a return to equlibrum conaeions. When pertrbaton h a semiconductor leads to an excess amount of carriers being generated, the thermal recombination rate shouldin order to neturn the matenial back to equntum O increase Odecrease O remain the same QUESTION 7 8 points Save Anawer A small electric feld of s applied to a siloon sample that has a donor concentration of = 3000v/cm 1 x 1015cm-elmine tho dlectron df v looty 3 Determine the dlectron drift velocity QUESTION 8 8 points Save Answer h N, = 5 x 1016cm-3 A silcon waler is doped with 16m-3 acceptor atoms. Assuming the material is at room temperature, determine the silicon wafer's hole dilfusion coefficlent M5 x1016m-3 acnpor atorns

Explanation / Answer

5) Atomic electron transition

6) Rate should Increase

7) Drift velocity, vd = 3000 x 1015 = 3 x 1018 cm/s

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