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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

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

Inquiry into Physics
Inquiry into Physics
8th Edition
ISBN:9781337515863
Author:Ostdiek
Publisher:Ostdiek
Chapter10: Atomic Physics
Section: Chapter Questions
Problem 1MIO
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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
Transcribed Image Text: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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