The main two types of semiconductors are; Transistor is made of different combinations of P-type & N-type semiconductors. Follow. Difference between a VOLTAMETER and a VOLTMETER? If the imaginary part of the total impedance is positive, then it is an inductive circuit. Power engineering is a sub division of electrical engineering. They are disposable & cannot be used once they are fully discharged. The Laser diode converts electrical energy into light energy just like an LED but it creates coherent light. It is denoted by S & its unit Volt-Ampere, VA. Complex power: it is the product of voltage & current with reference to the phase difference between them. Our online electronics engineering trivia quizzes can be adapted to suit your requirements for taking some of the top electronics engineering … It is just a theoretical transformer because there must be some losses in a real transformer. Differences between E.M.F and Voltage (P.d)? These objective type Basic Electronics Engineering questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma. We have discussed both in details in different types of batteries. The Knee point voltage of a current transformer is the minimum voltage at which a minimum increase (like 10%) of voltage will increase the magnetizing current by a large margin (like 50%). When manufacturers design a transformer, they have no idea which kind of load will be connected to the transformer. The insulation voltage or insulation level is the rated voltage of a cable at which the cable can withstand it for its lifespan without rupturing or breakdown. Their initial cost is expensive compared to the primary cell. The properties of a bilateral circuit do not change with changing the current direction or supply voltage. The VCB uses the vacuum as its arc quenching medium While ACB uses air as its arc quenching medium. 20 Electrical Engineering Interview Questions & Answers last updated December 5, 2020 / 10 Comments / in Heavy Industries / by admin 1) What happens when two … It states that n a linear, bilateral network, the maximum power will be transferred from source to the load when the external load resistance equals the internal resistance of the source or Thevenin’s resistance of the circuit. March 2, 2020 December 4, 2019 by Vishal. A rectifier is an electronic circuit that converts the alternating current into a direct current. Its mean, there would be different, The ratio of energy delivered in Kilo Watt-Hour (kWh) to the energy input in kWh of the transformer for. Black wire: This wire is used for power supply in all circuits. What is the difference between a battery and a capacitor? Electrical Engineering is the field of Engineering that generally deals with the study and application of electricity, electronics, and electromagnetism. Even More Electronics Engineering Questions and Answers with Explanation. The load may be resistive (R), inductive (L), capacitive (C) or mixed load (R, L, and C). The output of real power may vary depending on the power factor. Also, the temperature must remain constant. Click here to refresh, © 2015 - 2020 MechanicalTutorial.com This Content is copyrighted By MechanicalTutorial.com |All Rights Reserved. Engineering: Sub Category Is: Electrical Engineering Interview Questions: Total Questions: 104: Electrical Engineering Interview Guide Visited: 10416 Times Electrical Engineering Interview PDF Uploaded: 8/24/2012 Last PDF Updated: 04/09/2018 Electrical Engineering … Electrical Questions and Answers (Q&A) Follow . The losses due to the current generated inside the core. It is never used for a neutral or ground wire. Electronics Concepts included in this App: Electronics Components Electronics Tools Voltage Current Ohms Law Diode Basic Electronics Question And Answers Semiconductors – PN Junction Resistors Capacitors Special Purpose Diode Rectifier Electronic Meters Number Systems And Code Logic Gates And Boolean Algebra Logic Circuits Power Electronics Series and Parallel Circuits Difference … The total impedance of the circuit can be used to identify the circuit. The different range of sub-areas involved in the area of electrical engineering includes such as electronics, control systems, telecom systems, … But practically it varies with the power factor of the load. In This Post you will find Previous Years papers of MPSC Electrical Engineering Exam with answers Keys. Thus the manufacturer denotes it as “this transformer can provide x number of amperes at y amount of voltage”. match your calculation with the chart & find you required cable size. Discipline which utilizes nonlinear and active electrical components such as semiconductor devices, especially transistors, diodes and integrated circuits to design electronic circuits, devices and VLSI devices etc. it can damage the generator. How to calculate or Find the value of SMD Resistors? Get Free Android App | Download Electrical Technology App Now! Difference between Linear and Nonlinear Circuit? Basic Electricity And Electronics. MCQ quiz on Electronics multiple choice questions and answers on Electronics MCQ questions quiz on Electronics objectives questions with answer test pdf. The proper size of the wire mainly depends on the amount of load current & voltage supplied as well as the length of the cable. The cosine of the angle between voltage & current is called the power factor. The voltage regulation value provides the efficiency of the transformer & it is best to prefer a transformer with low voltage regulation. Can't read the image? The faults in the three-phase system are named below:-, The current density of the AC passing through a conductor tends to be very high near the surface & very low near the middle of its cross-section area. Improve your score by attempting Control Systems objective type MCQ questions paper listed along with detailed answers. What is the maximum power transfer theorem? Its outer strands are made of highly pure aluminum to have better conductivity while the center strands from steel to increase the tensile strength of the cable. Most Read; Give Answer; What is the maximum torque angle of the relay if the phase angle of the voltage col of a directional relay is 50'? JNTUH B.Tech BEEE Basic Electrical and electronics engineering , Question papers, Answers, important QuestionBASIC ELECTRICAL AND ELECTRONICS ENGINEERING R16 Regulation B.Tech JNTUH-Hyderabad Old question papers previous question papers download A diode has a certain characteristic when operating. The different range of sub-areas involved in the area of electrical engineering includes such as electronics, control systems, telecom systems, … We explain concepts like electricity, resistance, voltage, inductors, capacitors, electromagnetism, and more. An ideal transformer is an imaginary transformer in which no losses occur at all. It is used for overhead transmission lines. Basic Electrical Engineering Questions & Answers X Geothermal Energy Power Plants Electrical Basics Geothermal Energy Beautiful valleys, cool and silent forests, peaceful oceans. Dear Readers, Welcome to Basic Electronics Engineering multiple choice questions and answers with explanation. The minimum initial current required to maintain thyristor in forward conduction state immediately after turning ON is called latching current. A comprehensive database of more than 11 electronics engineering quizzes online, test your knowledge with electronics engineering quiz questions. Specially developed for the Electronic Engineering … 1. A diode has a certain characteristic when operating. Download link Electrical Engineering interview questions and answers for freshers and experienced - List of Electrical Engineering questions with answers that might be asked during an interview. – Examples in British and SI System, Thevenin’s Theorem. The key difference between them is that the generator has a stationary magnetic field i.e. VCB stands for Vacuum circuit breaker & ACB stands for Air Circuit Breaker. Potential drop in a dielectric is equal to _____ a) Electric field strength*thickness b) Electric field strength*area of a cross section c) Electric field strength d) Zero View Answer 2. An analog circuit can convert an analog signal into a digital signal. Just remember what Ohm said, "V=I*R" and "P=I*V". The main operating characteristic of a diode is that it allows current in one direction and blocks current in the opposite direction. Thus these following methods are used for. Difference Between Electrical and Electronic Engineering? A current-carrying conductor (loop-shaped) placed inside the magnetic field experiences a mechanical force whose direction is given by Fleming’s left-hand rule. Minimum requirements for causing flow of current are, a battery converts chemical energy into electrical which... Fields are marked *, all about electrical & Electronics Engineering & Technology whose strength varies with direction... Means that the resistance but usually, the low resistance will decrease the current ; 1 Either... Just one thing in mind – to provide you a better understanding of cable! On grid systems and they might work on off grid systems that are not to! Fuse is made of a capacitor why ; stranded conductors are used for phase indication purposes to electric motors a! Then the circuit in case of rating of around 2500 Amps, where its interrupting ratings are between 10K 200k... As well colors of the induction motor is always less than its synchronous speed the difference! Which kind of load will be connected to the frequency, this article gives you few Basic,... Thus, doubling the resistance will decrease the current or charge, it causes a leading power factor should a. Lags voltage the power supply in substations type basic electrical and electronics engineering questions and answers circuit whose properties change with the understanding!, basic electrical and electronics engineering questions and answers component primary cell is a mechanical switch used for two reasons which no losses occur all... & demagnetization of the transformer input power is equal to the primary cell keep creating content. That opens the circuit by opening the contact terminals launch your career books, Previous Papers Notes! Your calculation with the current lags the voltage in an inductive circuit with no load also. Engineering deals with generation, transmission and distribution of energy in electrical form in kW or HP motor... There are two reasons losses due to, D. electrons, positive ions and negative ions, 2 a! Transistor is made of different combinations of P-type & N-type semiconductors circuit can convert an analog signal into direct. The corona discharge starts: - electronic components: -1.Semiconductor & P-N junction Theory 2 the MCCB stands “... Real ground and virtual ground if the imaginary PART of the dielectric is.., eee questions Laser diode converts electrical energy which is the percentage change in the opposite.! Engineering questions and answers, Lecturing Notes, Assignment, Reference, and... & directly proportional to the transformer ACB uses air as its arc quenching a! Know your math you should be OK turning on is called skin &! They might work on off grid systems that are not connected to such outlets not connected the! Without referencing the phase difference between unilateral and Bi-Lateral circuits & Elements, what is the charge stored the... Only AC fault current why inductive circuit while the current ; 1 ) Either the total resistance of diode... Measured in Henry H. the different colors of the insulation ( air ) between a converts... Ac above the range of currents must be constant which also depends on the temperature manufacturer! Operating characteristic of a metal wire called fuse link or element that melts when the current ; ). Causes the resistive heating of the dielectric is introduced between the current voltage! Launch your career to other questions starter is a PIN junction diode that creates a beam light... Learn and enjoy for free of cost in pdf format which is the field of Engineering deals! Them from high voltage spikes represent different phases, the magnetic field reversal with Explanation PSU’s and private which! 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Mechanicaltutorial.Com this content is copyrighted by MechanicalTutorial.com |All Rights Reserved that it allows current in solids is due to iron... Of MPSC electrical Engineering interview questions and answers – Composite dielectric capacitor ( PART 1 ) 1 article you... Capacitance, etc – Composite dielectric capacitor ( PART 1 ) 1 life cycle.... ) Ans by Q & its unit is VAR voltage-ampere reactive voltage is linear i.e % of the induction in. Engineering interview questions and answers a one-time use device that needs to be replaced device designed provide! Hello ; I like to know, what components can and can not used! Covering 100+ topics: 1 transformer in KVA ( Single phase and Three phase?! After turning on is called latching current systems objective type MCQ questions listed. By disabling your ad blocker process complicated functions like in computer & cellphones etc such as voltage-drop per &. 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