The Hall effect is the production of avoltage difference (the Hall voltage) across an electrical conductor, transverse to an electric current in the Calculate the hall voltage when the Electric Field is 5V/m and height of the semiconductor is 2cm. a) 1m/s If the magnetic field is applied along negative z-axis, the Lorentz force moves the charge carriers (say electrons) toward the y-direction. This set of Electronic Devices and Circuits Multiple Choice Questions & Answers (MCQs) focuses on “The Hall Effect”. View Answer, 9. where his the thickness of the crystal in the Z-direction.is the thickness of the crystal in the Z-direction. Two solenoids, Constant current supply, Four probe, Digital gauss meter, Hall effect apparatus (which consist of Constant Current Generator (CCG), digital milli voltmeter and Hall probe). If an electric currents is made to flow through a conductor in a magnetic field , the magnetic field will exert a transverse force on the moving charge carriers which tends to push them to one side of the conductor. Fig.1 Schematic representation of Hall Effect in a conductor. In the Hall Effect, the directions of electric field and magnetic field are parallel to each other. pH = – log [H 3 O +]. Hall Effect Viva Questions With Answers Getting the books hall effect viva questions with answers now is not type of challenging means. Explanation: Hall Effect transducers can be used to measure linear and angular displacement and magnetic field etc. Planck’s Constant Viva Questions: Planck’s Constant using LED [determination of Planck’s constant by using light-emitting diodes (LEDs)] APPARATUS: Planck’s constant kit, wires, graph paper, and 3-4 LEDs. a) 3.125V Get the latest information and technology news in your inbox. What is the principle of the Hall effect ?”When we place a current-carrying semiconductor specimen in the presence of a uniform magnetic field, a potential difference creates between the two faces. Before coming to the answer. The optical Hall effect permits characterization of the anisotropy of the effective mass & mobility parameters. What is the velocity when the electric field is 5V/m and the magnetic field is 5A/m? 3. Multiple Choice Questions and Answers By Sasmita January 9, 2020 1) In an optical fiber communication system, which among the following is not a typical transmitter function? VIVA Questions with Answers Dept.of Physics, HPPC Govt. I hope I have answered your question. Fig. b) 0.0625 c) σE What is the formula of that? What do you mean by Immunology? View Answer. 1. Hall effect, development of a transverse electric field in a solid material when it carries an electric current and is placed in a magnetic field that is perpendicular to … What is the Hall emf, given the vessel’s inside diameter is 4.00 mm and the average blood velocity is 20.0 NOTE: These questions may help you to understand the experiment properly. 15 Viva Questions Magnetic Susceptibility by Quincke… Viva Questions Experiments Attenuation in Optical Fibre Categories Expt Viva Tags cathode ray tube , cathode ray tube experiments , cathode ray tube monitor , e/m of electron experiment , electron charge-to-mass ratio , electron mass , experiment , meaning of cathode ray tube , Physics , Viva Post navigation A voltmeter is connected across the width to read the Hall voltage V H. Show that the Hall voltage recorded by the voltmeter us V H = IB/Den; Consider a 1-micron-thick strip of gold layer on an insulating substrate that is a candidate for a Hall … A build up charge at 4Q: Which material (Conductor, Semiconductor, insulator) has been used to explain the Hall Effect? You could not isolated going past books addition or library or borrowing from your friends to log on them. Hall Effect Experiment and Viva Questions: In the hall effect experiment, we determine the hall voltage and hall coefficient . A bundle conductor consists of two more parallel subconductors at a spacing of several diameters.this is use to reduce the corona and skin effect. d) XY plane This is an entirely simple means to specifically get lead by on-line. 9Q: Does Hall Voltage can be created with the conductor and insulator too? All Rights Reserved. 2Q: What do you understand from Lorentz’s force? View Answer, 10. 11Q. What is the conductivity when the Hall Effect coefficient is 5 and mobility is 5cm2 /s. View Answer, 8. b) Conductivity Immunology is the study of specific resistance to further infection by a particular microorganism or its product’s Immunology is the science which deals with the body’s response to antigenic challenge. 3 thoughts on “ Viva Questions for HALL Effect ” Manish February 8, 2017 Thanks dear they are very useful… Reply Manas Sharma February 8, 2017 Thanks for your comment. In the Hall Effect, the electric field is in x direction and the velocity is in y direction. What do you mean In a Bipolar Junction Transistor, the current flow is mainly due to two polarities, holes and electrons. Mushrooms Answers com. However, there are some common questions which you may like to practice as part of your own preparations. Labels: interferometer, physics viva questions, physics viva questions and answers, ultrasonic, Ultrasonic Interferometer, viva, viva questions 28 comments: Unknown May … 'hall Effect Viva Questions With Answers Bing May 2nd, 2018 - Hall Effect Viva Questions With Answers Download From Engineering Question … Viva Question For Band Gap Www Pdfsdocuments Com Viva Question For Band Gap Pdf' 'band gap energy bands in semiconductors stack exchange april 22nd, 2018 - band gap energy bands in Hall effect in metal or semiconductor slab, hall probe, hall voltage. When a charged particle is placed or moving in the presence of the electric and magnetic field, the total forces due to these fields on the charged particle known as Lorentz force. Why not subscribe to our email list? Digital image processing Interview Questions & Answers If you have basic knowledge of the concepts of digital electronics, then you can work on a Digital Image Processing job . CCG – Constant Current Generator, J X – current density ē – electron, B – applied magnetic field t – thickness, w – width V H – Hall voltage . b) 0.3125V Top 15 Adobe After Effects Interview Questions & Answers last updated December 14, 2020 / 3 Comments / in Creative / by admin 1) What is the file extension for Adobe After Effects projects? DIGITAL COMMUNICATION LAB VIVA Questions and Answers pdf free download,objective type,multiple choice questions,online quiz,bits,test Skip to content Engineering interview questions,Mcqs,Objective Questions,Class Notes,Seminor topics,Lab Viva Pdf free download. To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers . Remote Control game show Wikipedia. c) 6.25 Yes, the fringes equispaced. View Answer, 4. 6Q: When a charge passes through the magnetic field, a force act on it. Ans. List of most probable exam, interview and viva questions on Immunology Q.1. Explain the differences between a BJT and a JFET and compare them? Are the fringes equispaced? What is the direction of the magnetic field? Access Free Hall Effect Viva Questions With Answers Hall Effect Viva Questions With Answers When people should go to the books stores, search inauguration by shop, shelf by shelf, it is really problematic. 7Q: Similarly in the presence of electric field a force act on the charged particle, what is that formula? a) X Calculate the Hall Effect coefficient when number of electrons in a semiconductor is 1020. lateral potential difference successfully. a) True BibMe Free Bibliography amp Citation Maker MLA APA. Q.What is Hall Effect? UPSC Topper Debotosh Chatterjee No Coaching 1st Mrunal. 5Q: The direction of current X-axis, Magnetic field direction is Z-axis, how do you will determine the Hall voltage by the help of majority charge carrier? The face W X L is exposed to a magnetic field intensity B. Hope it will be helpful for your knowledge. 2. ... can you provide answer for these questions. © 2011-2021 Sanfoundry. What Hall Coefficient signifies in the hall effect experiment? Feb 7, 2017. Sanfoundry Global Education & Learning Series – Electronic Devices and Circuits. Download the important Which of the following formulae doesn’t account for correct expression for J? It is defined as the negative logarithm of hydronium ion concentration in moles per litre. 8Q: If suppose particle travel with a net for zero in the presence of both field, the two forces (electric and magnetic forces) will be equal in magnitude and opposite in direction, or different in magnitude but same in direction, and why? The above statement is Explanation: Hall Effect transducers can be used to measure linear and angular displacement and magnetic field etc. Which of the following parameters can’t be found with Hall Effect? Hall effect Aim :- 1) To determine the Hall coefficient (R H) 2) To measure the unknown magnetic field (B Y1) and to compare it with that measured by the Gaussmeter (B Y2). b) I/wd Sanfoundry Global Education & Learning Series – Instrumentation Transducers. 1. First,we understand what is Hall voltage? 2Q: What do you understand from Lorentz’s force? These characteristics make Hall effect devices better for position sensing than alternative means such as optical and electromechanical Ans. What is the principle of the Hall effect ?”When we place a current-carrying semiconductor specimen in the presence of a uniform magnetic field, a potential difference creates between the two faces. View Answer, 3. Theory: If a current carrying conductor placed in a perpendicular magnetic field, a potential difference will generate in the conductor which is perpendicular to both magnetic field and current. In the Hall Effect, the directions of electric field and magnetic field are parallel to each other. Manas Sharma. What is the sign of Hall Coe fficient for an intrinsic semiconductor? To practice all areas of Electronic Devices and Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers. How is Hall’s coeffi cient related with carrier concentration? 2. 2. d) 0.002V This effect is the famous Hall Effect. If you are expertise in Adobe Systems and graphics making then prepare well for the job interviews to get your dream job. 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