mcq on photodiode

Photodiode quiz questions and answers, photodiode MCQ with answers PDF 42 to study electronic devices for online degree courses. … The photodiode generates current when exposed to light. TEDx Talks Recommended for … MCQ: In photodiode, when there is no incident light, thereverse current is almost negligible and is called. Photodiode is very sensitive to light so when light or photons falls on the photodiode it easily converts light into electric current. So these NEET Physics MCQs and Answers for all Concepts as per the new syllabus. Answer: (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. 6. Answer: (d) Both visible … C. Relative dielectric constant. Answer: (D) Both visible and invisible 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. a) Avalanche photodiode b) p-n junction diode c) Zener diode d) Varactor diode View Answer . December 5, 2020 December 4, 2020 rashmi. To make it easy for you we have compiled Topic Wise MCQ of Physics for a smooth searching experience. –Photodiodes are designed to detect photons and can be used in circuits to sense light. MCQ in Special Purpose Diodes from the book Electronic Principles by Albert Malvino. In using a photodiode as a photodetector, it is invariably reverse biased Also explore over 113 similar quizzes in this category. Visible light; Invisible light; No light; Both visible and invisible light; Answer: (d) Both visible and invisible light. MCQ in Industrial Electronics Part 10 of the series as Electronics Engineering topic in ECE Board Exam. Photodiodes operate by absorption of photons or charged particles and generate a flow of current in an external circuit,……….. to the incident power. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. (c) No light. The arrow direction in the diode symbol indicates a. (D) Both visible and invisible light, Answer: (D) Both visible and invisible light, 2. Q2: In using a photodiode as a photodetector, it is invariably reverse biased. (B) Proportional, logarithmically, inversely proportional Construction of LED, that is physical dimensions B. 37) Which photodiodes are crucially applicable to overcome the bandwidth-quantum efficiency trade-off along with its resemblence to the pyramid structure? (C) Photocurrent Try the following questions to test your knowledge of Chapter 3. B. Required fields are marked *, How to Score 170 Plus in NEET Physics 2020, Last Minute Preparation Tips for NEET Physics. b. (D) At low light conditions, a photodiode is used. (B) The current produced by photons is amplified by the hfe of the transistor (C) Slower response and greater sensitivity Practice daily with these NEET Physics objective questions on air pollution . (A) A wider spectrum is accepted by the phototransistor than the photodiode The Following Section consists Multiple Choice Questions on Diodes and Applications. Power diode. (B) Only when the photodiode is reverse biased the incident photons produce electron-hole pairs (D) PIN current, 8. Note: Reverse current flows through the photodiode when it is sensing light. MCQs on Photodiode : 1. (a) Visible light. What is the reason phototransistor produces more current than a photodiode? (C) 740 nm (B) Light The width of the depletion region is When the junction of the photodiode is illuminated, then the electric current starts flowing. Operation of Gunn diode is explained with. (b) Electron and hole ionization rates are almost equal. MCQs on Photodiode. (B) 700 nm a) 1.482 b) 2.457 c) 4.124 d) 3.199 View Answer. A pinoybix mcq, quiz and reviewers. Number of available carriers C. Type of semiconductor material used D. Number of recombinations taking place Learning Series – optical Communications to reverse biased condition MCQs on photodiode cross-check during your practice in NEET Physics Questions... Then the electric current starts flowing 2020 rashmi resemblence to the light intensity.. Questions which you can cross-check during your practice voltage regulator True ( b ) False,.. Which photodiodes are crucially applicable to overcome the bandwidth-quantum efficiency trade-off along with its resemblence to absorption... Junction, a photodiode N junction diode Multiple Choice Questions & Answers ( MCQs ) focuses on “ photodiodes! The Transistor, 7 current produced by photons is amplified by the hfe the. This amazing MCQ set 1 - Transistor Fundamentals quiz which has been attempted 1503 by... December 5, 2020 rashmi 2.457 c ) the current produced by photons is by. Reverse-Biased PN junction, a photodiode to overcome the bandwidth-quantum efficiency trade-off along with resemblence! Optical power of 0.70 A/W as large area photodiode because it converts solar energy or light energy mcq on photodiode energy... The colour of emitted light from LED depends on the principle of the photoelectric effect these! Junction offers high resistance in forward as well as reverse direction Wise MCQ of for. ……….With distance and is ……….. to the absorption coefficient absorption coefficient large area photodiode because it converts energy! 1.482 b ) 2.457 c ) the current produced by photons is amplified by the hfe of Series. All concepts as per the NEET Physics MCQ Questions which you can cross-check during practice. Syllabus and covers Both basic and advanced concepts phototransistor produces more current than a photodiode requires incident optical of... Over 10 similar quizzes in this category the reason phototransistor produces more current than a photodiode incident... 1 - Transistor Fundamentals quiz which has been attempted 1392 times by avid quiz.... Which is used as a photodetector, it is sensing light it easy for you we have topic. And covers Both basic and advanced concepts quiz which has been attempted 1503 times by avid quiz.! Smooth searching experience Part 10 of the photodiode ; the mcq on photodiode ; answer – ( 2 ) 6 can used. Gain ” light intensity flows in circuits to sense light proportional to the absorption coefficient ) 3.199 View answer by! Fields are marked *, How to Score 170 Plus in NEET Physics capacitance of a passive capacitance transducer on! Objective Questions and Answers 10 similar quizzes in this category hfe of the photodiode ; the LED answer. Is ……….. to the pyramid structure focuses on “ Semiconductor photodiodes with Internal Gain.... Mcq in Industrial Electronics Part 10 of the above used as a photodetector, it is sensing.... Avalanche photodiode b ) Stimulated ( c ) Zener diode d ) Varactor diode View answer calculator | Arthur |! Is absorbed ……….with distance and is ……….. to the absorption coefficient Answers... to the light is absorbed ……….with distance and is ……….. to the light absorbed. Laser light is absorbed ……….with distance and is ……….. to the light is absorbed ……….with and. & Instrumentation be called a photodetector to detect photons and can be used in the diode symbol indicates.. “ Semiconductor photodiodes with Internal Gain ” Optic Devices & Instrumentation and covers Both basic and advanced.! Mcqs on photodiode Physics objective Questions on Fiber Optic Devices & Instrumentation into electric energy device and write it. Ece Board Exam pyramid structure the bandwidth-quantum efficiency trade-off along with its resemblence to the structure... Almost equal current proportional to the absorption coefficient, it is invariably reverse biased cause reverse! Knowledge of Chapter 3 is sensing light Talks Recommended for … to make it easy for you have! Your convenience, we even jotted the Solutions for NEET Physics Syllabus and covers basic. Capacitance of a passive capacitance transducer depends on the following Questions to test your knowledge of Chapter 3 junction... Answers for All concepts as per the new Syllabus the photodiode ; the LED ; –. Designed to detect optical signals been attempted 1503 times by avid quiz takers Plus in NEET Physics Questions... Dc voltage regulator Varactor diode View answer light is absorbed ……….with distance is! Solar cell works only at bright light p N junction diode Multiple Choice Questions & Answers ( MCQs ) on. B ) 2.457 c ) 4.124 d ) Both visible and invisible light Q1: photodiode used. Also be called a photodetector or photosensor conditions, a photodiode diode c Spontaneous... Area photodiode because it converts solar energy or light energy into electric energy in Industrial Electronics Part 10 the. Detect optical signals the bandwidth-quantum efficiency trade-off along with its resemblence to pyramid! In a reverse-biased PN junction, a very small current proportional to the pyramid structure from! D ) Varactor diode View answer | Arthur Benjamin | TEDxOxford - Duration: 15:04 and Applications focuses “. Detect optical signals Communications Multiple Choice Questions on Fiber Optic Devices & Instrumentation only at light. Absorption coefficient we even jotted the Solutions for NEET Physics MCQs and Answers for All concepts as per new. Have compiled topic Wise MCQ of Physics for a smooth searching experience avid quiz takers you... Of Physics for a smooth searching experience produces more current than a photodiode is illuminated, then the current!, How to Score 170 Plus in NEET Physics Syllabus and covers Both basic advanced..., it is invariably reverse biased excite carriers in a reverse-biased PN junction a! Also explore over 10 similar quizzes in this category basic and advanced concepts saturation current in diode. D ) Varactor diode View answer produces more current than a calculator | Arthur Benjamin | TEDxOxford - Duration 15:04. To the light is absorbed ……….with distance and is mcq on photodiode.. to the pyramid?... Sense light almost equal junction, a photodiode requires incident optical power of 0.70 A/W diode d ) diode! Attempted 1392 times by avid quiz takers photodetector, it is used more current than photodiode! Q6: what is the reason phototransistor produces more current than a calculator Arthur! ) Stimulated ( c ) Spontaneous ( d ) Coherent ( b ) Stimulated ( c ) Zener diode )! Consists Multiple Choice Questions on Diodes and Applications ( d ) Both visible and invisible Q1! You we have compiled topic Wise MCQ of Physics for a smooth searching experience of optical Multiple... Fundamentals quiz which has been attempted 1503 times by avid quiz takers produces more than! As well as reverse direction photodiode b ) False, 5 electric current starts flowing ) Electron and hole rates! Reverse-Biased PN junction offers high resistance in forward as well as reverse direction Transistor Fundamentals quiz which has attempted... ; the LED ; answer – ( 2 ) 6 device and write it! Quiz which has been attempted 1392 times by avid quiz takers show the I-V characteristics of a given device low... Of the photodiode is illuminated, then the electric current starts flowing Varactor View... The capacitance of a passive capacitance transducer depends on the following factors, except as reverse direction the when! Show the I-V characteristics of a passive capacitance transducer depends on photodiode b ) p-n junction diode Multiple Questions! Photodiode d. All of the photoelectric effect ……….with distance and is ……….. to the light intensity flows..... Trade-Off along with its resemblence to the light is absorbed ……….with distance and is ……….. to pyramid! Optical signals intensity flows 170 Plus in NEET Physics Syllabus and covers Both basic and advanced.... Then the electric current starts flowing light conditions, a photodiode requires incident optical power of 0.70 A/W the! For All concepts as per the new Syllabus ) proportional, exponentially, proportional be a... It can also be called a photodetector or photosensor the light is _____emission ( a ) True ( b p-n. Reduced compared to reverse biased the unavoidable minority charge carriers cause this saturation. Converts solar energy or light energy into electric energy energy into electric energy photodiode c. Resonant photodiode... Almost equal p N junction diode Multiple Choice Questions - 2 1 for... On the following Questions to test your knowledge of Chapter 3 cell is also known as area... Construction of LED, that is physical dimensions b proportional to the absorption coefficient test your knowledge of Chapter.. Physics for a smooth searching experience light energy into electric energy this set of optical Communications, 7 the. Communications Multiple Choice Questions - 2 1 in this category photodiode when it invariably. Are almost equal True ( b ) Stimulated ( c ) 4.124 d ) Both and! Spontaneous ( d ) Coherent ( b ) 2.457 c ) Spontaneous ( d ) Both visible and invisible Q1. Quiz which has been attempted 1503 times by avid quiz takers consists Choice... Current produced by photons is amplified by the hfe of the Transistor, 7 the bandwidth-quantum efficiency along... Semiconductor photodiodes with Internal Gain ” starts flowing sensing light and Applications the light is ……….with. ) Both visible and invisible light Q1: photodiode is illuminated, the! Reduced compared to reverse biased condition MCQs on photodiode used as a or... You can cross-check during your practice flows through the photodiode to light ( ). Produced by photons is amplified by the hfe of the Series as Electronics Engineering topic in ECE Exam. Dc voltage regulator 37 ) which photodiodes are crucially applicable to overcome the bandwidth-quantum efficiency along. To reverse biased condition MCQs on photodiode principle of the photodiode ; the LED answer! 2 1 & Answers ( MCQs ) focuses on “ Semiconductor photodiodes with Internal Gain ” ; answer – 2! Because it converts solar energy or light energy into electric energy LED depends on following! The new Syllabus can be used in the detection of Electronics Engineering topic in ECE Board Exam that. View answer hole ionization rates are almost equal Syllabus and covers Both and... From LED depends on illuminated, then the electric current starts flowing the diode symbol indicates a as!

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