Electronic Devices Circuits Continuity Equation Online Exam Quiz
Electronic Devices Circuits Continuity Equation GK Quiz. Question and Answers related to Electronic Devices Circuits Continuity Equation. MCQ (Multiple Choice Questions with answers about Electronic Devices Circuits Continuity Equation
Calculate the number of coulombs per second if the area is 4cm2, recombination rate of hole is 1000 cm-3/s and the differential length is 2mm.
Options
A : 1.28*10-23
B : 1.28*10-22
C : 1.28*10-21
D : 1.28*10-20
What is the diffusion length for holes when Dp=25cm2/s and ?p=25s?
Options
A : 25cm
B : 1cm
C : 0.04cm
D : 50cm
What is the diffusion length for electrons when Dn=10cm2/s and ?n=40s?
Options
A : 50cm
B : 25cm
C : 20cm
D : 15cm
Which of the following represents the best definition for the diffusion length for holes?
Options
A : Average distance which an electron is injected travels before recombining with an electron
B : Average distance which a hole is injected travels before recombining with an electron
C : Average distance which a hole is injected travels before recombining with a hole
D : Average distance which an electron is injected before recombining with a hole
Which of the following represents the continuity equation?
Options
A : dp/dt=-(p-p0)/?p+Dp(d2p/dx2)-µpd(??)/dx
B : dp/dt=-(p-p0)/?p-Dp(d2p/dx2)-µpd(??)/dx
C : dp/dt=-(p-p0)/?p+Dp(d2p/dx2)+µpd(??)/dx
D : dp/dt=(p-p0)/?p-Dp(d2p/dx2)-µpd(??)/dx
The change in the carrier density is due to
Options
A : Flow of incoming flux
B : Flow of outgoing flux
C : Difference of flow between incoming and outgoing flux
D : Difference of flow between incoming and outgoing flux plus generation and minus recombination
What does p/? represent?
Options
A : holes
B : time
C : holes per second lost
D : p per unit time
What of the following conditions satisfies when the number of holes which are thermally generated is equal to the holes lost by recombination?
Options
A : I?0
B : dp/dt?0
C : g=p/?
D : g?p/?
The current entering the volume at x is I and leaving is I+?i , the number of coulombs per second will be equal to ?I. Is it true or false?
Options
A : True
B : False
C :
D :
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