A photodiode is a PN-junction diode that consumes light energy to produce an electric current. 380 . A. b. Photodiodes are one of the popular components used to sense incident light in electronic circuits. a) the antigens are detected using the neutralization assay b) the antigen combines with its soluble antibody and form a lattice and develops a visible precipitate This is the Multiple Choice Questions (MCQs) in Chapter 20: How Diodes Are Used from the book Teach Yourself Electricity and Electronics, 5th edition by Stan Gibilisco. Multiple Choice Questions and Answers on Semiconductor Diode. In addition to reading the questions and answers on my site, I would suggest you to check the following, on amazon, as well: Take the Quiz and improve your overall Engineering. 1. –Photodiodes are designed to detect photons and can be used in circuits to sense light. The Following Section consists Multiple Choice Questions on Diodes and Applications. give reason It has wide range of applications like Remote control, alarms, sensory applications and so on. –Phototransistors are photodiodes with some internal amplification. when used as a detector of optical signals is operated under reverse bias. Multiple Choice Questions and Answers By Sasmita January 9, 2020. The opaque coating used in signal and rectifier diodes is absent in photo diodes. Multiple Choice Questions and Answers on Semiconductor Diode. This set of multiple-choice questions includes the collection of solved MCQ on the Routing algorithm in computer networks. 328 . 3. If photons excite carriers in a reverse-biased pn junction, a very small current proportional to the light A typical photo diode is shown below. Note: Reverse current flows through the photodiode when it is sensing light. If you are looking for a reviewer in Electronics Engineering this will definitely help you before taking the Board Exam. Start Practice Exam Test Questions. Photodiodes are constructed like any other conventional junction diodes. Here you will find multiple-choice questions on alternate and adaptive routing algorithms, Enhanced Interior Gateway Routing Protocol(EIGRP), unicast routing, OSPF, BGP and EIGRP along with the example of a link-state routing protocol. d. 656 Construction of LED, that is physical dimensions B. Sometimes it is also called a photo-detector, a light detector, and photo-sensor. The colour of emitted light from LED depends on. c. 722 . 20) The Widal test is used for the detection of Salmonella typhi and other subspecies. This article explains What is a Photodiode, How it works and how to use them in a circuit. Number of available carriers C. Type of semiconductor material used D. 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