It features a solid dark blue background with circuit lines in light blue color, which gives it a glowing, futuristic effect. Specific expectations d escribe the potential difference and current characteristics in a series and a parallel circuit. Since it is not in parallel with anything, all of the current flowing through the circuit will flow through r1. Introduce you to components and equipment that are fundamental to understanding circuits. Every electrical current produces an electric field. Rather than oscillating back and forth, dc provides a constant voltage or current. Adding resistance in series decreases total current dimmer light bulbs parallel circuits. This is an original powerpoint animation that demonstrates the different between a series circuit and a parallel circuit. Electric current high current and low current electric circuit voltage high voltage and lo. Direct current dc an electric current that flows in only one direction. Jul 02, 2011 alternating current circuits based on serway and jewett e6 slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Electrical current flows from a region of high charge or potential to a region of low potential. Parallel circuits powerpoint animation this is an original powerpoint animation that demonstrates the different between a series circuit and a parallel circuit.
Circuit construction kit series of three activitites inquiry based using phet in electricity unit. Friction rubbing conduction direct contact induction through an electrical field not direct contact electricity that moves current. Circuits powered by electrical outlets are ac circuits. As their name suggests, true inverters use what are called toroidal donutshaped transformers and electronic circuits to transform direct current into a smoothly varying alternating current very similar to the kind of genuine sine wave normally supplied to our homes. Smartdraw is the easiest circuit diagram maker on the market today. Ppt series and parallel circuits powerpoint presentation. Falstad is an electronic circuit simulator that runs in the browser as a java applet. Electrical schematics are maps for designing and building circuits. The capacitor blocks out direct current and ac current at low frequencies. Smartdraw circuit drawing software works with you instead of against you. These circuit lines run along the sides of the slide, strategically framing the content like a border. The focus is on the children investigating circuits for themselves. Jun 11, 2019 o ne of the most significant battles of the 19th century was fought not over land or resources but to establish the type of electricity that powers our buildings at the very end of the 1800s, american electrical pioneer thomas edison 18471931 went out of his way to demonstrate that direct current dc was a better way to supply electrical power than alternating current ac, a system.
In this chapter, we use these electric components in circuits. Electricity by definition is electric current that. The electrical current can be current driving or acdc convention. Solving for the current as time increases, the charge on the capacitor increases, therefore the current in the circuit decreases current will flow until the capacitor has a charge on. Adjust the voltage and resistance, and see the current change according to ohms law. Which tools you choose and on which platforms you choose to run was decided by your preferences, the functions you require the tools to have, the convenience of the tools, the. More heat causes insulation on wires to melt, which increases chances of fire. The connection between the supply and the load is made by soldering with wires. Solve any electrical design problem with hundreds of conversion and calculation formulas. See how the equation form of ohms law relates to a simple circuit. When the current in a circuit has a constant direction, the current is called direct current. Powerpoint slide for circuit design variable dc supply powerpoint slide. Alternating current the mains supplies 230v ac alternating current 50hz 6.
With the draganddrop shapes and easily formatted connectors, both novices and professionals can draw easytoread circuit diagrams in minutes. More than a dozen experiments on electricity and magnetism designed for intermediate students. Find powerpoint presentations and slides using the power of, find. The animation shows what happens when a bulb is removed from e. Edraw circuit diagram software is a crossplatform circuit diagram designing tool available on mac, windows, and linux. Open an wiring diagram or circuit drawing templatenot just a blank screen.
Therefore, to be able to read electrical schematics you need to know electrical schematic symbols and which. In alternating current ac circuits, instead of a constant voltage supplied by a battery, the voltage oscillates in a sine wave pattern, varying with time as. In addition, an automotive electrical system can deliver incredibly high currentsfar in excess of the 15 amps available at a typical outlet in your living room. Series and parallel circuits authorstream presentation. The rate of flow of electric charge past a point in a circuit measured in amperes a 1 a 1 cs 6. The dc source allows the electricity or current to flow with an unvarying. Static discharge occurs when there is a loss of static electricity due to three possible things. Edraw circuit diagram software is an amazingly easytouse and quicktodesign diagramming tool that is perfect for drawing circuits due to a massive collection of electronic circuit symbols and templates. We love helping you find books quickly and saving you money, so please dont hesitate to let us know if you have any questions.
Alternating current circuits 10102010 phy2054 1 20. Ppt direct current circuits powerpoint presentation. A powerpoint and lesson plan for 2 lessons to take the class through making an electrical circuit with proper equipment as well as with alternative materials and making a switch. Free practice questions for ap physics 1 circuit power. Tippens, professor of physics southern polytechnic state university. Power in electric circuits ohms law electronics textbook. Circuit a closed path in which electrons from a voltage or current source flow. If more appliances are connected to a circuit, more current will flow through the wires. We did two powerpoint for this, one participatory and one an overview with much. The circuit powerpoint template is a clean, sophisticated and ultramodern template that you can use for presentations about technology and circuitry. His unit is the ampere and is measured by the ammeter. Almost all the projects in class will be powered by dc electricity. A free powerpoint ppt presentation displayed as a flash slide show on id. You will also need a sheet with diagrams of circuits which will and will not work.
Its design is based on colors that can indicate for example positive or negative voltage and allows you to build simple circuits with mouse clicks. Alternating current mains current cycles from positive to negative 50 times per second 50hz signal pattern is the same independent of how the leads are connected 7. Circuits can be in series, parallel, or in any combination of the two. For simple simple and complex complex circuits, determine the voltage and and current current for each resistor. View and download powerpoint presentations on dc circuits ppt.
Watch a documentary on the history of electricity dc vs ac. Direct current dc circuits involve current flowing in one direction. Electric circuit symbols element set for powerpoint slidemodel. Dc circuits series and parallel circuits electrical. A parallel circuit is one that has all the components connected in a parallel fashion. Scribd is the worlds largest social reading and publishing site. An ac generator equipped with a device called a commutator can produce direct current. Senses currents of about 5 ma or greater leaking to ground. This is a powerpoint that i used to teach my sixth graders about electric circuits, current and voltage. Most of the digital electronics that you build will use dc. This is called direct current dc batterypowered circuits are dc circuits.
Vars may be considered as either the imaginary part of apparent power, or the power flowing into a reactive load, where voltage and current are. Electric circuit symbols element set for powerpoint present a simple yet legible. Ltspice tutorial wilfrid laurier university physics labs. We know that the electricity is of two types, alternating current ac and direct current dc. Electrical formulator for ios free download and software. Chapter 28a direct current circuits a powerpoint presentation by paul e. In an ac circuit, the current is always changing so the inductor is always producing an opposing voltage so is always limiting the amount of current that can flow for both ac and dc circuits, the voltage across the resistor is related to the current by vir a similar relationship exists for an inductor alternating current 14. A circuit that deals with ac is referred to as ac circuit and a circuit with dc source is termed as dc circuit. In order to find the power loss in r1, we need to know the current flowing through r1. In electric circuits, power is a function of both voltage and current. Series circuits voltage may be different across different objects in a series circuit.
Ohms law is v ir, where v voltage, i current, and r resistance. Star delta transformation we can now solve simple series, parallel or bridge type resistive networks using kirchoffs circuit laws, mesh current analysis or nodal voltage analysis techniques but in a balanced 3phase circuit we can use different mathematical techniques to simplify the analysis of the circuit and thereby reduce the amount of maths involved which in. Dc dc parallel notes based on ppt kirchhoff law dc dc lab for currents and. Electric current, circuit and voltage powerpoint by karen wilson. Mcgrawhill tutorial that includes a powerpoint presentation and lots of circuit files. Introduction to dc circuits electric voltage and current. There are many circuit design softwares including different platforms,they are based on windows,linux,or on mac, or based on cloud servers which you could run it anywhere. Introduction to circuits and ohms law video khan academy.
Jun 26, 2015 the current flowing through the individual components is the same throughout the circuit. Sum of the individual voltages source voltage current is the same in all parts of a series circuit. Compare the electrical resistance of a series and a parallel connection of identical resistors to that of a single resistor demonstrate the skills required to plan and. One ampere is 6,280,000,000,000,000,000 electrons passing a point in one second. Ohms law circuits current resistance phet interactive. Electric current, circuit and voltage powerpoint by karen. In a house, many appliances draw current from the same circuit. The voltage in ac circuits also periodically reverses because the current changes direction. Ac waveform, inductance, inductor circuits, directcurrent rl circuits, inductive reactance, and many more. The electrical currents are movements of electric charges electrons through a conductor. Series current only takes one path for electrons current flows through every part of the. To find the current flowing through the circuit, we will need to first find the total equivalent resistance of the circuit. Rc circuits according to kirchoffs 2nd rule we have using a counterclockwise loop 0 0.
A circuit is a collection of electrical components connected to accomplish a specific. Most of the circuits analyzed will be assumed to be in steady state, with constant magnitude and direction. Electrical circuits often contain one or more resistors grouped together and attached to an energy source, such as a battery. To find the current flowing through the circuit, we will need to first find the total equivalent resistance of. Reading schematics is all about recognizing the symbols and lines to see how they are connected. If you continue browsing the site, you agree to the use of cookies on this website. Direct current if the voltage is maintained between two points in a circuit, charge will flow in one direction from high to low potential. Alternating current circuits based on serway and jewett e6 slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Find powerpoint presentations and slides using the power of, find free presentations research about dc circuits ppt. Free electrical schematic diagram software drawing. Power point covering current voltage and resistance. Direct current is a bit easier to understand than alternating current. Because the circuit preferentially passes signals of higher frequency while blocking low frequency signals, the circuit is called an rc highpass filter.
To protect a house from this, all household circuits have a. Current i current is the quantity of electrons passing a given point. Use of a device called a rectifier that converts ac to dc. This is because there is a continuous path of metal for the electric current to flow around. Electric current high current and low current electric circuit voltage. Feb 12, 2012 a powerpoint and lesson plan for 2 lessons to take the class through making an electrical circuit with proper equipment as well as with alternative materials and making a switch. Our team at direct textbook takes great pleasure in helping you find the books you need at the best prices available anywhere. It shows both the standard circuit symbols, as well as pictures, complete with batteries, light bulbs, and wires. This 11 slide powerpoint includes definitions, examples, videos and demonstrations. In order to be able to work with dc we need to convert the alternating current ac from the outlets into a direct current, which we use to power our circuits. Circuit symbols three types of circuits series parallel compound series circuits series circuits have 1 path for charges to flow. Physics 231 lecture 62 fall 2008 resistors in series and parallel as with capacitors, resistors are often in series and parallel configurations in circuits series parallel the question then is what is the equivalent resistance. Direct current batteries voltage measure of the potential energy available to the circuit. This is a simple guide to understand and read electrical schematics.
The best online wiring and circuit diagram software. Not surprisingly, this relationship bears a striking resemblance to the proportional horsepower formula above. The best tool in your kit, this formulator lets you save and even email or print your results. Finally, this current is direct current or dc versus the alternating current or ac found in your home. If there were any breaks in the circuit, the current could not flow. We love helping you find books quickly and saving you money, so please. Ac waveform, inductance, inductor circuits, direct current rl circuits, inductive reactance, and many more. Elements of ac electricity a collection of tutorials presenting a wide range of topics in electricity.
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