Leaded chip carrier, also called plcc or plastic leaded chip carrier. The following is a brief description of the information presented in each module of the handbook. The electrical science handbook consists of fifteen modules that are contained in four volumes. It defines the quantity of electrons moving past a given point in a circuit during a specific period. Fundamental in engineering mathematics and physics course objectives. To be able to describe the interrelationship between voltage, current and resistance in electrical circuits. We include basic formulas relating amps, volts, resistance, watts, and we explain what these electrical terms mean in practical applications such as for building or appliance electrical power, electrical wiring, and basic troubleshooting. Electrical field the region around a charged body in which the charge has an effect. Engineers mininotebook formulas, tables and basic circuits. These symbols help create accurate diagrams and documentation. Different countries for example have different voltage, and this is why. Residential electrical wiring systems start with the utilitys power lines and equipment that provide power to the home, known collectively as the service entrance. This highvoltage vocabulary list covers circuits, conductors and insulators, electromagnetism, energy, and much more.
The largest collection of symbols in the network in pdf format. A square surface mount chip package in plastic with leads pins on all four sides. Conductors allow electrical current to easily flow because of their free electrons. The mysnaptm system includes components that can be classified as. By historical convention, a positive current is defined as having the same. A cord would be a cable by this definition so far, but a cable is part of a permanent installation. Electrical system the electrical components used to supply electricity to a structure.
This course will cover general electrical laws, and work rules relating to electrical principles. Learn basic electricity with free interactive flashcards. Components include panels, wiring, outlets, fixtures, etc. Bee basic electric engineering is common to first year branches of ug engineeringexpect bt.
So if you know two of the three characteristics, your can calculate the third one. The third piece of the puzzle is called power abbreviated p in equations. You may view definitions of glossary items by click ing on terms and words that are. The highest flux density occurs when the conductor is formed into a coil having many turns. For consultation and interpretation of components, devices and electrical and electronic circuit. Definitions of electrical terms you should know electrician. Ampere is the basic unit for measuring electrical current.
Home wiring basics that you should know the balance. Below youll find over xx definitions of electrical terms. It will also familiarize you with the test, help you decide if youre ready to take. Definition of amps, volts, watts, resistance, current, ohms, electrical phases. The power is run through an electric meter, which records how much energy is used in the home and is the basis for the monthly electric bill.
Foreword adult basic education, the organisations are working together to help tackle financial literacy and to address the issue of access to financial products and services for those with literacy and numeracy difficulties. When an electric circuit flows through a conductor, a magnetic field or flux develops around the conductor. A dictionary of electrical words, terms and phrases survivor library. Glossary of electrical engineering terms and definitions listed alphabetically.
We will create our first mental models for these basic electrical quantities. New definitions have been added in the fields of wireless technology, robotics, and artificial intelligence. However, a basic look at a few of these words and what they mean will. Pictorial glossary the pictorial glossary includes definitions and illustrations for many terms that are frequently used in the electrical industry. Basic electronics 2 nov 98 overview this study guide is designed to familiarize you with the advanced electrical and fundamental electronics knowledge and skills required by bellsouths technical jobs and covered by the basic. Basic electric terms and definitions free pdf ebook. This az pocket guide to understanding financial terms is just one of the achievements of ebss partnership with nala. Electric basics electrical fundamentals and terms explained. Pdf chapter 1 of the book,basic concepts of electrical. Abbreviation for american national standards institute.
Electrochemical the relationship of electricity to chemical changes and with the conversions of chemical and electrical energy. Ammeter an instrument for measuring the flow of electrical current in amperes. In order to construct a building that will last into the future, a strong foundation is a prerequisite. Glossary of electrical wiring terms and definitions for devices used for electrical wiring. Resistors allow current to flow to some degree in proportion to their resistance in ohms. Capacitors are made from two electrical conductors separated by an insulator. Identify the electrical circuits found in the project area, turn them off and tag them with a note before working with the electrical wiring.
Alternating current ac ammeter ampacity amperehour ah ampere a apparent power armature capacitance capacitor circuit circuit breaker conductor corona current i cycle demand dielectric constant dielectric strength diode direct. Watts wattage indicates how much energy a device produces or consumes to do work. It takes years to get firm understanding of what they all mean. It wakes us up in the morning, lights up our homes, cooks our food, powers. Alternating current ac ammeter ampacity amperehour ah ampere. Electric circuits, whether simple or complex, can be described in a variety of ways. Oct 16, 2017 basic electrical terms and definitions understanding electricity requires knowledge of these basic electrical terms. In electronics and electrical technology, a coil is. The illustrated dictionary of electronics8th editionhas been revised, clarified, and updated, reflecting technological advances of recent years. Basic electrical terms and concepts current, voltage, resistance, charge, power, efficiency. Basic electrical concepts and terms current, voltage, resistance, power, charge, efficiency. The three key concepts you need to know before working with electronic circuits are current, voltage, and power. Basic electronics 2 nov 98 overview this study guide is designed to familiarize you with the advanced electrical and fundamental electronics knowledge and skills required by bellsouths technical jobs and covered by the basic electronics test. Electronic components usually use currents that are less than 1 amp.
Ac drive an electronic device used to control the speed of an ac motor. Basic electricians pouch hand tools and a voltage tester. Tlc recommends that you download and save this pdf document and. The pictorial glossary includes definitions and illustrations for many terms that are frequently used in the electrical industry. Ammeters are always connected in series with the circuit to be tested.
An electric circuit can be described with mere words, however, a simple and visual way to. This article contains definitions and explanations of terminology used and will help you understand what he or she is talking about. The voltage of a circuit is the effective greatest rootmeansquare difference of potential between any two conductors of. Basic electrical terms and definitions understanding electricity requires knowledge of these basic electrical terms. Fortunately for you ive grouped them together to help you become a better electrician. Normally used in uk houses at 240v rms alternating at 50 times per second 50.
Summary of main basic electrical symbols and electronic symbols. Basic electrical symbols represent earth electrode, cell, battery, source, ideal source, resistor, etc. Basic electrical terms volt the unit of electromotive force, the measure of electrical pressure, is abbreviated v or v, and voltage is represented by i. As you progress in the electrical trade youll hear a bunch of electrical terms being tossed around like their common knowledge. Alternating current ac ammeter ampacity amperehour ah ampere a apparent power armature capacitance capacitor circuit circuit breaker conductor corona current i cycle demand dielectric constant dielectric strength diode direct current dc electrolyte electromotive force. Electricity is one of our most widely used forms of energy. A measure of the flow of current in amperes over one hour. When talking about electricity an entirely new list of terms are used to describe charac. Electrical terms or electrical terminology must be. Terms and definitions these questions ask for the definition of a term, the name for a concept or device, or. Basic electrical terms and definitions electricalmag. Cable a cable is a set of wires, usually encased in an outer protective jacket.
Alternatingcurrent ac currentfroma powersource that changespolarityperiodically. Words and definitions you need to know such as current, voltage, resistance, and more. Volts, amps, watts, fuse sizing, wire gauge, acdc, solar power and more. Electrical designers use it to determine how much voltage is required for a certain load, like a motor, a computer, or even a house full of appliances. In electronics and electrical technology, a coil is usually known as an inductor. Terms that are underlined and italicized are included in the glossary as a separate definition. The voltage of a circuit is the effective greatest rootmeansquare difference of potential between any two conductors of the circuit concerned. This course will cover general electrical laws, and work rules relating to electrical. Electric current in which the flow of electric charge periodically reverses direction, whereas in direct current dc, also dc, the flow of electric charge is only in one direction. A vocabulary list featuring electrical engineering. Volume 1 of 4 module 1 basic electrical theory this module describes basic electrical concepts and introduces electrical terminology. Glossary of electrical wiring terms and definitions for devices used for home electrical wiring. Current is the organized flow of electric charges through a conductor, and voltage is the driving force that pushes electric charges to create current.
Amp an amp or ampere is a measure of the quantity of electric current flowing through a wire. Start studying basic vocabulary of electrical terms. Electrical terms or electrical terminology must be known by electrical students and engineers. Kids learn about electricity glossary and terms in the science of physics. Electronics definition electronics and electrical tutorial. Basic electronicstermsanddefinitions the followingisalistof manyof the termsone wouldencounterinthe studyof basicelectronics. Basic concepts of electrical engineering 8 the value of the voltage or current of an a. Volts are used with numbers to describe the force of the current. Electricity the flow of electrons from atom to atom in a conductor. Every effort has been made to be concise and accurate, without talking down to the. Electrical terms and definitions performance shading high voltage. Understanding electric fundamentals, electrical basics, terms, definitions and concepts.
Glossary all terms and definitions listed alphabetically. One ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance. Electrical parts and materials should be approved for the specific project and compliant with local and national electrical codes. Choose from 500 different sets of basic electricity flashcards on quizlet. Understanding electricity requires knowledge of these basic electrical terms. You may view definitions of glossary items by click ing on terms and words that are underlined and italicized in the text. Capacitor a basic electrical component that stores electric charge. The standard unit of measurement for electric current that is equal to one coulomb per second. Alternating current ac the type of mains electricity used in the uk having a cyclical current waveform. The abbreviations ac and dc are often used to mean simply alternating and direct.
Build an intuitive understanding of current and voltage, and power. It wakes us up in the morning, lights up our homes, cooks our food, powers our computers, tv sets and other appliances. Alternating current ac an electric current that reverses its direction many times a second at regular intervals. When discussing current, terms like through and in make a lot of sense. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Fault ground fault this happens when an ungrounded conductor line wire comes in contact with anything that is grounded i. Oct 21, 2015 learn basic electrical concepts and terms.
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