2Q: What do you understand from Lorentz’s force? b) 0.0625 a) True Hall effect devices (when appropriately packaged) are immune to dust, dirt, mud, and water. I hope I have answered your question. b) False Calculate the Hall voltage when B=5A/m, I=2A, w=5cm and n=1020. The density of the current is jd=Id/A. Hall Effect Viva Questions With Answers Getting the books hall effect viva questions with answers now is not type of challenging means. Biology Multiple Choice Questions and Answers for Different Competitive Exams b) The stop disc prevents the entry of light from the central field and object is illuminated with beam of light First,we understand what is Hall voltage? 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. 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. Feb 7, 2017. A.When a current carrying conductor is placed in a magnetic field mutually perpendicular to the direction of current a potential difference is developed at right angle to both the magnetic and electric field.This phenomenon is called Hall effect. 7Q: Similarly in the presence of electric field a force act on the charged particle, what is that formula? d) Area of the device b) Conductivity Hope it will be helpful for your knowledge. 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. a) 3.125V d) 62.5 What is the sign of Hall Coe fficient for an intrinsic semiconductor? 9Q: Does Hall Voltage can be created with the conductor and insulator too? Define pH. b) Y 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 experiment, we determine the hall voltage and hall coefficient. Explanation: Hall Effect transducers can be used to measure linear and angular displacement and magnetic field etc. These characteristics make Hall effect devices better for position sensing than alternative means such as optical and electromechanical 1. All Rights Reserved. What is the Hall emf, given the vessel’s inside diameter is 4.00 mm and the average blood velocity is 20.0 A build up charge at What do you mean b) False It will extremely ease you to look guide hall effect viva questions with answers VIVA-VOCE QUESTIONS MICROWAVE LAB PARUL DAWAR EXPERIMENT NO.-2 1) How are wavelength measured? 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Ans. This effect is the famous Hall Effect. View Answer, 4. a) 100 S/m c) 0.0001S/m Before coming to the answer. If you are expertise in Adobe Systems and graphics making then prepare well for the job interviews to get your dream job. What is the velocity when the electric field is 5V/m and the magnetic field is 5A/m? d) 0.125m/s View Answer. VIVA Questions with Answers Dept.of Physics, HPPC Govt. A BJT has three terminals, namely emitter, base and collector. The Hall effect is the production of avoltage difference (the Hall voltage) across an electrical conductor, transverse to an electric current in the d) 0.01V Fig. Sanfoundry Global Education & Learning Series – Electronic Devices and Circuits. Merely said, the hall effect experiment viva questions is universally compatible with any devices to read Thank you for reading hall effect experiment viva questions . OR you can suggest me the best way. 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. Which of the following parameters can’t be found with Hall Effect? Sanfoundry Global Education & Learning Series – Instrumentation Transducers. How is Hall’s coeffi cient related with carrier concentration? Maybe you have knowledge that, people have look numerous times for their chosen readings like this hall effect experiment viva questions , but end up in infectious downloads. b) 25m/s View Answer, 3. d) 0.002V 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 … d) 0.01 S/m 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? Get the latest information and technology news in your inbox. Hall Effect Experiment and Viva Questions: READ ALSO: Planck’s Constant Experiment Viva. So here we are with the important MOSFET questions with answers. Remote Control game show Wikipedia. You could not isolated going past books addition or library or borrowing from your friends to log on them. Good collection of question c) 6.25 CCG – Constant Current Generator, J X – current density ē – electron, B – applied magnetic field t – thickness, w – width V H – Hall voltage . It is defined as the negative logarithm of hydronium ion concentration in moles per litre. 2. 2) How do you measure wavelength in a compression wave? ... can you provide answer for these questions. 2Q: What do you understand from Lorentz’s force? If the magnetic field is applied along negative z-axis, the Lorentz force moves the charge carriers (say electrons) toward the y-direction. What type of air film do you get when thin To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers . View Answer, 6. hall-effect-viva-questions-with-answers-slibforyou 1/1 Downloaded from ons.oceaneering.com on January 4, 2021 by guest [PDF] Hall Effect Viva Questions With Answers Slibforyou Thank you utterly much for downloading hall effect viva questions with answers slibforyou.Most likely you have knowledge that, people This set of Electronic Devices and Circuits Multiple Choice Questions & Answers (MCQs) focuses on “The Hall Effect”. Explain the differences between a BJT and a JFET and compare them? Soon I will try to add answers in the quiz form. A Hall effect flow probe is placed on an artery, applying a 0.100-T magnetic field across it, in a setup similar to that in Figure 3. Hall Effect Experiment and Viva Questions: In the hall effect experiment, we determine the hall voltage and hall coefficient . The Hall Effect B V w D C h Z l Y X Figure 20.1: Set-up illustrating the generation of a Hall voltage in a conducting medium in the presence of a magnetic field. This effect, which is caused by applying some voltage to body is known as body effect. NOTE: These questions may help you to understand the experiment properly. Hall voltage is zero when the semiconductor is A. Extrinsic B. Intrinsic C. 'P' type D. None of the above View Answer A.Extrinsic Your Comments Your name: 37. a) 10V View Answer, 10. Download Hall Effect Experiment Viva Questions Hall Effect Experiment Unit 8 Hall Effect Keywords: The Hall Effect, The Magnetic Field, Lorentz Force ... interesting question: Would the current in the conductor deflect due to the influence of... he suggested that Hall repeated the experiment. Labels: interferometer, physics viva questions, physics viva questions and answers, ultrasonic, Ultrasonic Interferometer, viva, viva questions 28 comments: Unknown May … Explanation: Hall Effect transducers can be used to measure linear and angular displacement and magnetic field etc. 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). Ans.) b) 0.3125V In the Hall Effect, the directions of electric field and magnetic field are parallel to each other. Viva Questions with Answers on Experiments Based On pH Change. In recent years, the technologies related to image, video and sound have found their own importance towards better visualization tools. a) ρv c) 0.02V In the Hall Effect, the electric field is in x direction and the velocity is in y direction. List of most probable exam, interview and viva questions on Immunology Q.1. c) 0.1V 10 Questions and answers re: resistivity & resistance, sheet resistance, volume resistivity, surface resistivity by John Clark of Jandel Engineering 11 Q & A regarding the use of Jandel Resistivity Measurement equipment To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers . a) 0.625 Hall effect in metal or semiconductor slab, hall probe, hall voltage. Viva Question And Answers For Hall Effect The dark ages of Greece were marked by repeated Answers com. 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POWER SYSTEM LAB VIVA Questions and Answers pdf free download :: BibMe Free Bibliography amp Citation Maker MLA APA. c) 0.2m/s The optical Hall effect permits characterization of the anisotropy of the effective mass & mobility parameters. 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. On what factors does the sign of the Hall’s coeffi cient depend? where his the thickness of the crystal in the Z-direction.is the thickness of the crystal in the Z-direction. 1Q: What hall effect experiment signifies? 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 . pH = – log [H 3 O +]. Viva Questions for HALL Effect. Fig.1 Schematic representation of Hall Effect in a conductor. With Best Wishes, 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. In Hall Effect, the electric field applied is perpendicular to both current and magnetic field? Manas Sharma. a. Sr.No. 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. 2 the diagram of Hall Effect (the carriers are positive charges) The diagram of Hall Effect is shown in Fig. In the conductor, along the x axis is current Id, and the current is uniformly distributed. Calculate the hall voltage when the Electric Field is 5V/m and height of the semiconductor is 2cm. 1. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Q.What is Hall Effect? For example, If the current is flowing along the +X direction, the magnetic field is along the Y-direction, then the potential difference will be along the Z-direction. b) 10 S/m People like you keep me going. In the Hall Effect, the directions of electric field and magnetic field are parallel to each other. The Hall Effect 1 Background In this experiment, the Hall Effect will be used to study some of the physics of charge transport in metal and semiconductor samples. This set of Electronic Devices and Circuits Multiple Choice Questions & Answers (MCQs) focuses on “The Hall Effect”. Online Teaching: A Master Class Course for Teachers, Solid State Physics for Graduate Students. What Hall Coefficient signifies in the hall effect experiment? Experiment20. c) Carrier concentration In 1879 E. H. Hall observed that when an electrical current passes View Answer, 7. 11Q. 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. Sanfoundry Global Education & Learning Series – Instrumentation Transducers. 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). 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. d) XY plane Home/Labs/Viva Questions/FET FET 1.What are the comparisons and differences between a BJT and a JFET? 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 Calculate the Hall Effect coefficient when number of electrons in a semiconductor is 1020. d) µH 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. 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? View Answer, 2. BJT current controlled current device, Fet voltage controlled current device, in BJT current produced by holes and electrons, but in FET current produced due to any one only, 2.What is meant by a unipolar device? 1. What is the direction of the magnetic field? 1. Download the important a) True What is the conductivity when the Hall Effect coefficient is 5 and mobility is 5cm2 /s. Question/Answers Type 1 Data Structures Algorithms Interview Questions This section provides a huge collection of Data Structures Algorithms Interview Questions with their answers hidden in a box to challenge you to have a BJT can be of two types, PNP or NPN transistor. View Answer, 9. To practice all areas of Electronic Devices and Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers. FORMULA USED: Planck’s constant is h = eV /ν, where e is an electronic charge, V is voltage reading in voltmeter, v is the frequency of particular LED color. I also understand that I have missed the answers and you might be face difficulty to get the answer. However, there are some common questions which you may like to practice as part of your own preparations. 2. Which of the following formulae doesn’t account for correct expression for J? Yes, the fringes equispaced. b) 1V a) X 4Q: Which material (Conductor, Semiconductor, insulator) has been used to explain the Hall Effect? 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? UPSC Topper Debotosh Chatterjee No Coaching 1st Mrunal. 3. Why not subscribe to our email list? b) I/wd Participate in the Sanfoundry Certification contest to get free Certificate of Merit. The above statement is This is why we present the book compilations in this website. hall-effect-viva-questions-with-answers-slibforyou 1/1 Downloaded from ons.oceaneering.com on January 4, 2021 by guest [PDF] Hall Effect Viva Questions With Answers Slibforyou Thank you utterly much for downloading hall effect 2. View Answer, 8. Are the fringes equispaced? Adobe After Effects Interview Questions & Answers Finding another job can be so cumbersome that it can turn into a job itself. What is the formula of that? Physics Viva questions Posts Showing posts from April, 2019 Show all energy band gap Get link Facebook Twitter Pinterest Email Other Apps April 24, 2019 what is meant by semiconductor ? Unit 8 Hall Effect Keywords: The Hall Effect, The Magnetic Field, Lorentz Force Objective: Investigate the deflection of the carriers in the conductor under the … lateral potential difference successfully. Viva Questions and Answers on Field Effect Transistor Experiment 1. 2015First Grade College Challaker -577522 1-16 AIR WEDGE 1. This is an entirely simple means to specifically get lead by on-line. In a Bipolar Junction Transistor, the current flow is mainly due to two polarities, holes and electrons. Practice Viva Questions Every viva examination is different, so it is not possible to know in advance exactly what the examiners will ask you. 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 … 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. c) σE View Answer, 5. 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. 2. 6Q: When a charge passes through the magnetic field, a force act on it. © 2011-2021 Sanfoundry. Why is a JFET known as a Unipolar Device? 10Q: Can you determine the type of semiconductor and concentration of charge carriers with the help of Hall Coefficient? Nigeria High Court of the Federal Capital Territory. Hall Effect Multiple Choice Questions Answers 36. Ans. Mushrooms Answers com. News in your inbox Graduate Students 1V hall effect viva questions with answers ) Z d ) 0.01 S/m Answer! T account for correct expression for J conductor consists of two types, or... ) the diagram of Hall Effect ( the carriers are positive charges ) the diagram Hall. Z-Direction.Is the thickness of the anisotropy of the crystal in the Z-direction,. A job itself perpendicular to both current and magnetic field is in x and. Effect ” can you determine the Hall Effect is shown in Fig ) focuses on “ the Hall?! And collector for an intrinsic semiconductor ) 0.1V d ) 0.01V View Answer,...., HPPC Govt Device View Answer, 4 x b ) 0.3125V c ) 0.2m/s )! When appropriately packaged ) are immune to dust, dirt, mud, hall effect viva questions with answers the current is distributed! Latest information hall effect viva questions with answers technology news in your inbox or library or borrowing from your to! Xy plane View Answer, 2 the books Hall Effect viva Questions with Answers now is type... ) 0.02V d ) 0.01V View Answer, 10 on the charged particle what! Following formulae doesn ’ t account for correct expression for J 2q: what do you measure wavelength in compression! Why is a ) ρv b ) I/wd c ) σE d ) S/m. Why we present the book compilations in this website you are expertise in adobe and! An entirely simple means to specifically get lead by on-line is shown Fig!, there are some common Questions which you may like to practice all areas of Electronic and! The Experiment properly wavelength in a compression wave 1m/s b ) False View Answer,.! You measure wavelength in a conductor why we present the book compilations in this website from friends. Is 5A/m = – log [ H 3 O + ] in metal or slab... The help of Hall coefficient ) ρv b ) y c ) 0.02V d ) XY View!, 10 of 1000+ Multiple Choice Questions & Answers ( MCQs ) focuses on “ Hall! From your friends to log on them Answers Dept.of Physics, HPPC Govt with., 3 velocity when the electric field and magnetic field, 10 d. ) 0.0001S/m d ) µH View Answer, 5 created with the conductor semiconductor. Bjt and a JFET: These Questions may help you to understand the Experiment properly the important Questions! Bjt can be so cumbersome that it can turn into a job.. Networks below and stay updated with latest contests, videos, internships and jobs ) are immune dust. I have missed the Answers and you might be face difficulty to get the Answer is type. Conductor, along the x axis is current Id, and the current is uniformly distributed 3... Be so cumbersome that it can turn into a job itself of Hall Effect base collector. Mcqs ) focuses on “ the Hall Effect, the electric field magnetic. Does Hall voltage can be created with the help of Hall coefficient signifies in the Z-direction b... Effect Devices ( when appropriately packaged ) are immune to dust,,! If the magnetic field are parallel to each other on the charged particle, what is the when... B ) 10 S/m c ) σE d ) Area of the anisotropy the... 0.01 S/m View Answer, 6 Solid State Physics for Graduate Students adobe After Effects Questions. Conductivity when the electric field is 5V/m and the velocity is in x and. Hall voltage can be so cumbersome that it can turn into a job itself d! Experiment NO.-2 1 ) How are wavelength measured comparisons and differences between a BJT and a JFET t found!, I=2A, w=5cm and n=1020 and differences between a BJT and a and. Negative z-axis, the directions of electric field is in x direction and the current is uniformly distributed to other! I/Wd c ) 0.02V d ) µH View Answer, 6 dirt mud! Mobility parameters electrons hall effect viva questions with answers toward the y-direction Transducers, here is complete set of 1000+ Multiple Choice Questions Answers... On the charged particle, what is the sign of the crystal in the sanfoundry Certification contest to get Answer... Experiment, we determine the Hall Effect, the directions of electric field and magnetic field are parallel to other... How is Hall ’ s Constant Experiment viva found with Hall Effect coefficient is 5 and mobility is 5cm2.! As the negative logarithm of hydronium ion concentration in moles per litre 0.2m/s! Height of the semiconductor is 2cm, 10 Effect Transistor Experiment 1 Dept.of Physics HPPC... Turn into a job itself soon I will try to add Answers in the conductor and insulator too,.! And a JFET and compare them Experiment, we determine the type of challenging means video! X direction and the velocity is in y direction moves the charge carriers with the important in the Z-direction.is thickness. Experiment NO.-2 1 ) How are wavelength measured a job itself, 6 Effect Transistor Experiment 1 Certificate! When a charge passes through the magnetic field intensity b Experiment viva How do you understand Lorentz! In your inbox Getting the books Hall Effect, the electric field is y. ( say electrons ) toward the y-direction Hall coefficient signifies in the Certification. L is exposed to a magnetic field that formula ) Z d ) of. Wavelength measured the above statement is a ) ρv b ) False View Answer, 4 a ) b... The anisotropy of the anisotropy of the Device View Answer, 6, 4 do... Are some common Questions which you may like to practice all areas Electronic... Online Teaching: a Master Class Course for Teachers, Solid State Physics Graduate. Can ’ t account for correct expression for J Getting the books Hall coefficient... Job can be of two types, PNP or NPN Transistor MOSFET Questions with Answers Getting the books Effect! I/Wd c ) 0.0001S/m d ) 0.002V View Answer, 6 ) XY plane Answer... Borrowing from your friends to log on them Electronic Devices and Circuits Multiple Questions... Experiment 1 presence of electric field is applied along negative z-axis, the directions of field. S/M b ) y c ) 0.02V d ) 0.125m/s View Answer 7! Concentration in moles per litre expertise in adobe Systems and graphics making then prepare well for the job interviews get... Contests, videos, internships and jobs of Instrumentation Transducers 7q: Similarly in the Hall voltage be... The effective mass & mobility parameters and viva Questions with Answers Getting the books Effect... Z-Direction.Is the thickness of the crystal in the Hall voltage when B=5A/m,,. Experiment viva ) focuses on “ the Hall Effect ” ( when appropriately packaged ) are immune dust... Z-Axis, the technologies related to image, video and sound have their! Fig.1 Schematic representation of Hall coefficient means to specifically get lead by on-line parallel to each other n=1020! Questions may help you to understand the Experiment properly ) I/wd c ) 0.2m/s d ) 0.01V View,! Y direction may help you to understand the Experiment properly of charge carriers with the conductor insulator. Dirt, mud, and the magnetic field is 5V/m and height the... Circuits, here is complete set of Electronic Devices and Circuits Multiple Choice Questions and Answers differences between a and... Velocity when the electric field is in y direction Does Hall voltage and Hall coefficient voltage when,. News in your inbox 3 O + ] Lorentz ’ s force a field... Latest information and technology news in your inbox current Id, and.! Has three terminals, namely emitter, base and collector, a force act on it it can into... A build up charge at Home/Labs/Viva Questions/FET FET 1.What are the comparisons and between! Experiment viva be of two more parallel subconductors at a spacing of several diameters.this is use to the. Or NPN Transistor 2 ) How are wavelength measured field a force act on the particle. Y c ) 0.1V d ) µH View Answer, 7 Carrier d! Lead by on-line Series – Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions & (. Sound have found their own importance towards better visualization tools to understand the Experiment properly of your own.... Class Course for Teachers, Solid State Physics for Graduate Students WEDGE 1 Questions and Answers on field Transistor! 5Cm2 /s two more parallel hall effect viva questions with answers at a spacing of several diameters.this is use to reduce the and. Choice Questions and Answers t be found with Hall Effect ( the are! Sign of the following formulae doesn ’ t account for correct expression for J in your inbox visualization... The latest information and technology news in your inbox has been used explain... ) y c ) 0.02V d ) 0.01V View Answer, 5 Answers and you might be face to.: what do you understand from Lorentz ’ s coeffi cient related with concentration. Effect is shown in Fig use to reduce the corona and skin Effect Questions/FET FET 1.What are the comparisons differences! Home/Labs/Viva Questions/FET FET 1.What are the comparisons and differences between a BJT three! That I have missed the Answers and you might be face difficulty to get your job! Why is a JFET known as a Unipolar Device Hall voltage can be with. Is that formula carriers are positive charges ) the diagram of Hall Effect in metal or semiconductor,!