Important Mcq Questions !! Topics provided are as per the NEET Physics Syllabus and covers both basic and advanced concepts. D. Photodiode. What is the reason phototransistor produces more current than a photodiode? Q6: What is the reason phototransistor produces more current than a photodiode? The photodiode can be used as a photodetector to detect optical signals. Practice "Special Purpose Diodes" quiz, photodiode Multiple Choice Questions (MCQs) to practice electronic devices test with answers for online electrical engineering degree. quiz which has been attempted 1392 times by avid quiz takers. MCQ in Industrial Electronics Part 10 of the series as Electronics Engineering topic in ECE Board Exam. The p-side has an excess of … Take the Quiz and improve your overall Engineering. Q7. Diode and Application Electronics MCQs" is the set of frequently asked Multiple Choice questions and these MCQs are asked in different test in the past in different test. The light is absorbed ……….with distance and is ………..to the absorption coefficient. –Phototransistors are photodiodes with some internal amplification. (B) inversely proportional to the doping Try this amazing MCQ Set 1 - Transistor Fundamentals quiz which has been attempted 1503 times by avid quiz takers. Required fields are marked *, How to Score 170 Plus in NEET Physics 2020, Last Minute Preparation Tips for NEET Physics. 010203040506070809101112131415161718 A PN junction offers high resistance in forward as well as reverse direction. For the sake of your convenience, we even jotted the Solutions for NEET Physics MCQ Questions which you can cross-check during your practice. P N JUNCTION DIODE Multiple Choice Questions - 2 1. (D) At low light conditions, a photodiode is used. Visible light; Invisible light; No light; Both visible and invisible light; Answer: (d) Both visible and invisible light. When the junction of the photodiode is illuminated, then the electric current starts flowing. (D) When photons are incident on the diode, the fractional change in the reverse current is much greater than the fractional change in the forward current. Laser light is _____emission (a) Coherent (b) Stimulated (c) Spontaneous (d) Coherent and stimulated. (C) Only if the diode is reverse biased light variations can be converted into current variations Once you have completed the questions, click on the 'Submit Answers for Grading' button at the bottom of this page to get your results. When a diodeis in reverse biased condition, there would be a reverse saturation current flowing through it from positive to the negative terminal of the diode. December 5, 2020 December 4, 2020 rashmi. (C) No light A. C. PIN diode. Q2: In using a photodiode as a photodetector, it is invariably reverse biased. When a diode is forward biased, the recombination of free electron and holes produce (A) True In using a photodiode as a photodetector, it is invariably reverse biased Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. Determine photocurrent. Also explore over 10 similar quizzes in this category. Q3: The maximum wavelength of photons that can be detected by a photodiode made by a semiconductor of bandgap 2eV is about, Q4: The presence of dark current decreases the sensitivity of the photodiode to light. (D) PIN current, 8. (B) Proportional, logarithmically, inversely proportional In a photodiode, when there is no incident light, the reverse current is almost negligible and is called Solar cell is also known as large area photodiode because it converts solar energy or light energy into electric energy. Part 2 - Duration: 29:17. (A) 620 nm 3. (c) No light. a. 5.State the relation between the frequency v of radiation emitted by LED and the band gap energy E, of the semiconductor used to fabricate it. Photodiode is used in the detection of. (C) 740 nm Photodiode quiz questions and answers, photodiode MCQ with answers PDF 42 to study electronic devices for online degree courses. The presence of dark current decreases the sensitivity of the photodiode to light EEE IQ 696,884 views. The photodiode generates current when exposed to light. MORE MCQ ☰ More Mcq >Diode >Semiconductor ☰ More Q & A >Steam Engine >Steam Turbine >Steam Boiler >Thermal Power Plant >Nuclear Power Plant >Hydro Electric Power Plant >Laws of thermodynamics; Diode Multiple Choice Questions Answers; 26. ANSWER: (a) Mushroom Waveguide Photodiode MCQ on Pn Junction Diode The interface or the boundary between the p-type and n-type semiconductor is called PN junction. 10 of the photodiode can be used in circuits to sense light it sensing... 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