Plz I need the correct answer of this questions all branch in electronics 6_2021_03_08!03_18_00_AM.pdfMustansiriyah UniversityCollege of SciencePhysics DepartmentDr. Emad AljaberiElectronics ISummer Semester 2020/20212 من 9Introduction to Optoelectronic Devices1- We use photodiode to detecta. Visible lightb. Invisible lightC.No lightd. Both visible and invisible light2- If a semiconductor of Eg is 2eV, the maximum wavelength of photons that can be detected by a photodiode is abouta. 620 nmb. 700 nmC. 740 nmd. 1240 nmMustansiriyah UniversityCollege of SciencePhysics DepartmentDr. Emad AljaberiElectronics ISummer Semester 2020/2021Introduction to Optoelectronic Devices3- Dark current increases the sensitivity of the photodiode to lighta. Trueb. False4- If there is no incident light on a photodiode, the reverse current is very small and is calleda. Zener currentb. Dark currentc. Photocurrentd. PIN currentMustansiriyah UniversityCollege of SciencePhysics DepartmentDr. Emad AljaberiElectronics ISummer Semester 2020/2021Introduction to Optoelectronic Devices5- If a diode is forward biased, the recombination of pairs of e-h produceа. Нeatb. Lightc. Radiationd. All the above6- The width of the depletion region isa. Directly proportional to the dopingb. inversely proportional to the dopingc. Independent of dopingahounNono

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1- We use photodiode to detect a. Visible light b. Invisible light c. No light d. Both visible and invisible light

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Question

Plz I need the correct answer of this questions all branch in electronics

6_2021_03_08!03_18_00_AM.pdf
Mustansiriyah University
College of Science
Physics Department
Dr. Emad Aljaberi
Electronics I
Summer Semester 2020/2021
2 من 9
Introduction to Optoelectronic Devices
1- We use photodiode to detect
a. Visible light
b. Invisible light
C.
No light
d. Both visible and invisible light
2- If a semiconductor of Eg is 2eV, the maximum wavelength of photons that can be detected by a photodiode is about
a. 620 nm
b. 700 nm
C. 740 nm
d. 1240 nm
Mustansiriyah University
College of Science
Physics Department
Dr. Emad Aljaberi
Electronics I
Summer Semester 2020/2021
Introduction to Optoelectronic Devices
3- Dark current increases the sensitivity of the photodiode to light
a. True
b. False
4- If there is no incident light on a photodiode, the reverse current is very small and is called
a. Zener current
b. Dark current
c. Photocurrent
d. PIN current
Mustansiriyah University
College of Science
Physics Department
Dr. Emad Aljaberi
Electronics I
Summer Semester 2020/2021
Introduction to Optoelectronic Devices
5- If a diode is forward biased, the recombination of pairs of e-h produce
а. Нeat
b. Light
c. Radiation
d. All the above
6- The width of the depletion region is
a. Directly proportional to the doping
b. inversely proportional to the doping
c. Independent of doping
ahoun
Nono

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