May 31, 2011 electricity is feared by a lot of people. This easytouse guide takes you through the basics of electricity and familiarizes you with the workings of voltage, current, resistance, power, and other circuit values in directcurrent and. Get a pen or pencil read through this list carefully and check off the box only if you have a good understanding of that topic. The most fundamental law in electricity is ohms law or vir. First we will consider the physics behind electricity. The principles usually come from the text or are deducible from the text, but occasionally you might need to experiment a little to really understand how to use them. In its simplest terms, electricity is the movement of charge, which is considered by convention to be, from positive to negative. Basic electricity van valkenburgh, van valkenburgh. People who do not have any background on how electricity work find wiring. This behavior of materials is often used to controllimit electric current flow in circuits. It consists of a low conductive component joined by conducting wires at both ends. Electrical current is described as a flow of electrons.
At the end of the course the student is expected to 1. This flow of electrons is referred to as current and is designated by the symbol i. Basic electricity fundamentals information in power and. Since april, 1953, when it was first installed, over 25,000 navy trainees have benefited by this instruc. This barcode number lets you verify that youre getting exactly the right version or edition of a book. Current i current is the quantity of electrons passing a given point. Basic principles of electricity september 6 7, 2017 9. When an electric circuit flows through a conductor, a magnetic field or flux develops around the conductor. An electron and proton have exactly the same amount of charge.
Fundamental in engineering mathematics and physics course objectives. Bee basic electric engineering is common to first year branches of ug engineeringexpect bt. Fundamentals of electricity, volume 1, basic principles. In other words, it is a measurement of the work required to move a unit charge between two points. We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. People who do not have any background on how electricity work find wiring as very complicated and people who do not have seen a circuit, find wiring like a mystery. The cbt guides you through the troubleshooting process, then try to solve 16 faults on the lighting circuit. The basic building block for matter, anything that has mass and occupies space, is the atom. Electrical circuits all you need to be an inventor is a good. The pressure voltage is what causes the water current to flow out of the end of the hose. No matter how the charge is created, chemically like in batteries or physically friction from socks and carpet, the movement of the discharge is electricity. The highest flux density occurs when the conductor is formed into a coil having many turns. Basic electricity fundamentals information in power and energy. A resistor is an electronic component that is used to resist the flow of current and cause a reduction in potential.
Ohms law is the relationship between power, voltage, current and resistance. How the electric utility industry generates and delivers power to its customers covering basics, delivery, safety and generation. The magnitude of resistance is dictated by electric properties of the material and material geometry. Electrical charges are either negative electrons or positive protons the unit of charge, q, is called the coloumb. Award winning electrical training program teaches a proven troubleshooting approach. Principles and techniques of electrofishing spring, 2000 electrical principles correspondence version page 2 n 2 a parallel circuit has a 100 v power supply with two resistors loads. Electricity basics when beginning to explore the world of electricity and electronics, it is vital to start by understanding the basics of voltage, current, and resistance. These are the very basic electrical units we work with. Newnes is an imprint of elsevier linacre house, jordan hill, oxford ox2 8dp, uk 30 corporate drive, suite 400, burlington, ma 01803, usa first published 1993 as electrical and electronic principles 1 by edward arnold second edition 2001. It would require nearly 750 watts to equal one horsepower. Voltage may also be referred to as difference of potential, electromotive force emf, or electrical pressure. Basic principles of electricity september 6 september 6 7, 2017 wednesday7, 2017 wednesday7, 2017 wednesday thursday shah alam convention centrethursday shah alam convention centrethursday shah alam convention centre.
Resistor r 1 is 20 ohms and resistor r 2 is 30 ohms. Basic electrical principles software basic electrical troubleshooting v. From a simplified explanation of the electronic to acdc machinery, alternators and other advanced topics, basic electricity is the complete course for mastering the fundamentals of electricity. Electricity is measured in units of power called watts.
Basic electricity test study guide skills and knowledge checklist section 1 page 2 january 1999 skill and knowledge checklist stop. This electric current takes the form of free electrons that transfer from one atom to the next. One ampere is 6,280,000,000,000,000,000 electrons passing a point in one second. A basic understanding of electricity and electrical systems is necessary for doe nuclear facility operators, maintenance personnel, and the technical staff to safely operate and maintain the facility and facility support systems. To further enhance the understanding of fundamental principles of electricity and electrical elements a wider range of additional examples will be included, along with a few special topics. A circuit is an unbroken loop of conductive material that allows charge carriers to flow through continuously without beginning or end. This educational program has been an unqualified success. Electricity is an apparent force in nature that exists whenever there is a net electrical charge between any two objects. This manual is a guidance document for employees who are learning general electrical principles. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Chapter 1 basic concepts of electricity pdf version. Since charge is considered as the quantity of electricity it is given the symbol q. For each lecture, the powerpoint file is available, along with a fullcolor 4slideperpage pdf version.
These atoms are the smallest particles into which an element or substance can be divided without losing its properties. With a knowledge of these fundamentals, you will be able to make better use of electrical. There is a break in the path where the electricity current can flow. This portable document format pdf file contains bookmarks, thumbnails, and hyperlinks to help you navigate through the document. The authors have provided a clear understanding of how electricity is produced, measured, controlled, and used. Understanding electricity is required to use electrical sensors, switches, digital and analog devices, and microcontrollers. The alternatives for bridge circuits anderson loop 112 3. It is called a complete or closed circuit, because the electricity can flow all the way from point a to point b without interruption. Principles committee practice note 2 and in particular appendix 1 table c civils. A large audio speaker may serve to demonstrate both the principles of electromagnetism and of electromagnetic induction. A typical student will finish the book in 1520 hours of spare time reading and. Thus, the more free electrons a material has, the better it conducts. Basic principles is intended to be used as an essential component in your electricalelectronics maintenance curriculum.
The electron has a negative charge, whereas the proton has a positive charge. In technical terms, work is defined as force applied through displacement the vector equivalent of distance. The modules listed in the overview are linked to the corresponding pages. Basic electricity fall 2011 this course module introduces the basic physical models by which we explain the flow of electricity. Basic electricity van valkenburgh, van valkenburgh, nooger. Current is measured in amperes, which is often shortened to amps. Build an intuitive understanding of current and voltage, and power.
Think of electricity as water running through a hose. Basic electricity introduction this subcourse is designed to give you a basic knowledge of simple circuits that carry electricity from a power source to some kind of electrical equipment. This made it possible to supply electricity to homes and businesses located far from the electric generating plant. Electrical fundamentals general electricity is a form of. Lalu 5771 aclr 89103 tc lr pm np pu am cm bk cf es fm md no rf db sg bh hs mt 1 2 3 4 5 6 7 1 1. Understanding the basic principles of electricity is a foundational skill for all branches of engineering.
In electronics and electrical technology, a coil is usually known as an inductor. The restriction to the flow of electrons through a conductor is called resistance and it is measured in ohms and abbreviated. All matter solid, liquid, or gas is made up of molecules, or atoms joined together. It also provides coverage for some other courses, including foundation bridging courses which require the study of electrical and electronic engineering. At first, these concepts can be difficult to understand because we cannot see them. The texts of the entire basic electricity and basic electronics courses, as currently taught at navy specialty schools, have now been released by the navy for civilian use.
Noraide md yusop rosazmir mat rashid mohd norhisham nordin azhar md saad chin seng fatt 2. In an electrical circuit this is the same basic principle. It was named to honor james watt, the inventor of the steam engine. It is very powerful and dangerous for it cannot be seen and yet it can be certainly felt.
Fundamental electrical and electronic principles contains 349. It is not designed to meet the full requirements of the united. Identify some common sources of each type of electricity. You might have been wondering how charges can continuously flow in a uniform direction through wires without the benefit of these hypothetical sources and destinations. Electrical concepts understand basic electrical principles. Basic principles of electricity makeup examinations basic principles of the course will be given only to those students with valid documented excuse, requests for makeup exam that does not include a valid documented excuse will be rejected, a single makeup exam will be given to all students with legitimate rights for the exam. Fundamentals of electricity, volume 1, basic principles this selfteaching book introduces the basic concepts of dc circuits. To understand what this means, we need to start simply. When we see a value such as 10 volts, it is a measurement of the potential difference between two. Any atom in its normal state is electrically neutral has no net charge. In order to construct a building that will last into the future, a strong foundation is a prerequisite. Ac and dc current this is the third characteristic of electricity. The v is for voltage, which means the potential difference between two charges. Describe the basic principles of electrical and magnetic theory.
It is designed to provide the background knowledge necessary to develop an indepth understanding of industrial electricity. Basic electrical principles software free download basic. After completing each section youll begin to understand more of the concepts and realizing that now you know the answers can be a big confidence builder. This module describes the basic concepts of direct current dc electrical circuits. A kilowatthour kwh is equal to the energy of 1,000 watts working for one hour. Basic electrical principles 6 basic electrical principles electrical physics as a starting point it is important to understand what is happening within an electrical system to take away the unknown and feel confident about working with electricity. Each page typically presents five brief topics, each with a question or problem to solve. The electricity produced by a generator travels along cables to a transformer, which changes electricity from low voltage to high voltage.
Text headings in each module are linked to and from the table of contents for that module. A minimum of mathematics is used for the direct explanations of primary cells. In order for the sourceanddestination scheme to work, both would have to have an infinite. Basic electrical training troubleshooting circuit simulation cbt with lighting circuit example. Everything, from water and air to rocks, plants and animals, is made up of minute particles called atoms.
The location of a break in a circuit is irrelevant to its. Fundamentals of electricity the technical term electricity is the property of certain particles to possess a force field which is neither gravitational nor nuclear. Principles of electrical science pearson schools and fe colleges. After completing each section youll begin to understand more. Electricity, simply put, is the flow of electric current along a conductor. Basic principles of energy building energy auditing course page 2. These are the three basic building blocks required to manipulate and utilize electricity.
The bohr model of an atom a nucleus surrounded by shells of electrons traveling in discrete orbits is presented. When current flows through the resistor, the electrical energy is absorbed by the resistor and dissipated in the form of heat. Identify the materials, the devices, and the different types of electrical circuits. Electrical current flows from a region of high charge or potential to a region of low potential. In this course, students will use breadboards to assemble. Intro to electricity nyu tandon school of engineering. Click on the doe seal below to move to the overview.
Voltage is described as the pushing force behind electricity. Henceforth, the conductors that exhibit the property of resisting current flow are called resistors. Principles and techniques of electrofishing spring, 2000 electrical principlescorrespondence version page 2 n 2 a parallel circuit has a 100 v power supply with two resistors loads. Electricity mainly for distribution for sale to consumers costmw electricity u not u mainly for distribution for sale to consumers costmw 50 kw. A circuit is a complete path for electricity to flow through. Processing of the analogue measurement signals 121 4. Potentiometers and comparators 114 references 118 4. Fundamental electrical and electronic principles, third edition. Then we will step through each of these topics in detail. This selfteaching book introduces the basic concepts of dc circuits. It then goes on to define an electric current and describe the basic principles of generating electricity from chemical reaction and then finally from.
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