Erin phlegar and stephen few physics 102l, section. In addition to completing the simulation, you need answer the following questions. Use the lab power supply for the voltage source and use the multimeter to set the voltage. Use aluminum foil as your conductor to build this type of parallel circuit. Thats the key difference between series and parallel series circuits defined. Build circuits with batteries, resistors, light bulbs, fuses, and switches. You have to use two kids per lab team to do this unless you order extra light bulbsled. Notice that in some nodes like between r 1 and r 2 the current is the same going in as at is coming out. What do you notice about the relationship between the three voltage readings v 1, v 2, and v tot in parallel circuits. I also used the ohms law to determine the calculated values and. Theres only one way for the current to flow in the above circuit. Ask students to remove the knife switch from their circuit, so they have a simple circuit again. Series and parallel circuits worksheet middle school intrepidpath building physics lab lesson. Series and parallel circuits interactive simulations edumedia.
The third site is an interactive virtual lab where students will practice building series and parallel circuits and manipulating them in a cause and effect fashion. Two dipoles are in parallel or in a branched circuit if their two pairs of terminals are shared. Procedure the first part of this lab consisted of identifying the ohm value for each of the resistors used in the circuit by using the color code, then we identified the ohm value using the digital multimeter, and recorded. In this lab, my objective was to understand the relationships between resistance, potential difference, and current in a simple circuit. A simulation is used to visualize electron flow through both circuit types. The switches are wired both to the light and to each other on each side of. Phet circuit construction kit building and measuring circuits building a series circuit with a battery and two. Calculating equivalent resistances in series circuits. But, at the other side of r 1 the node splits, and current can go to both r 2 and r 3. Assignments dr roths physix page optional but worthwhile watch this video at learner the mechanical universe electric circuits solutionsscanned handwritten by.
Two page lab that has students building series and parallel circuits with elenco snap circuit kit. Parallel dc circuits practice worksheet with answers. Quiz chemical mcq civil dictionary civil interview civil mcq civil quiz ebook electrical interview electrical lab electrical. At other nodes specifically the threeway junction between r 2, r 3, and r 4 the main blue current splits into two different ones. If your house were wired in series, one burnedout light bulb would make everything else stop working. Be able to draw the equivalent circuit of simple series and parallel resistor circuits and to calculate. Two dipoles are in series when they share only a single terminal and, between shared terminals, there is no branching toward another dipole. Give students the example of street lights being configured in parallel.
In a series circuit, resistance s add to equal the total. Parallel lab included, labeled and organized all parts of the lab report. Learn about electrical circuits with the phet circuit construction kit briefly play with the app, learning the draganddrop components follow the instructions. In order for a current to flow in the circuit, one of the dipoles must be a source of current generator and the circuit must be closed. Lab 2 simple electric circuits university of minnesota. The answers to this question may seem paradoxical to students. Answers to the phet circuit lab 1 pdf free download ebook answers to the phet circuit lab ebook format. In this activity you will be learning how to use a circuit breadboard to construct a circuit using resistors. Additional resources and ideas for incorporating dc circuit builder into an instructional unit on electric circuits can be found at the teacher toolkits section of the physics classroom website. The electric circuits in this lab are built with batteries, light bulbs, switches, and wires. Data section includes a diagram of the series and the parallel circuit. Electrical circuits virtual lab activity and webquest tpt.
Answers to the phet circuit lab 2 phet circuits simulation tutorial how to make series and parallel circuits using the phet software found here using circuit construction kit dc how to use phet simulation for circuit construction kit dc. Measuring resistance in circuit and out using a dmm. In the next picture, we again see three resistors and a battery. You try contacting your labs supplier to order the resistor only to find out the 16. Students will work hard to memorize the rules without really comprehending why the rules are true, and therefore often fail to recall or apply the. You will also be testing the math skills you learned for parallel and series circuits. Building series and parallel circuits lab students will have the opportunity to build simple series and parallel circuits. The purpose of the lab is to find the equivalent resistance for components in an electrical circuit in series and parallel. In a parallel circuit, each device has a connection to the power supply, independent of the other device. From there the current will flow straight to r2, then to r3, and finally back to the negative terminal of. Parallel circuits have multiple paths for the flow of electricity. Students will also be able to observe the relationship between resistance, current and voltage and manipulate the circuits to visualize what happens to one component if another is. Worksheets are series circuit building work answers, elementary science program math science technology, electricity unit, creative inquiry electronics project lab manual, electric circuit with a breadboard, electricity and magnetism simple circuits, lesson plan electric circuits minutes concepts, simple.
Seriesparallel dc circuits worksheet dc electric circuits. From htsn dc circuit builder parallel circuit goal. Physic lab 5 series and parallel circuits please h. The batteries provide a potential difference or voltage. Lab 2 simple electric circuits university of minnesota duluth. I also used light bulbs and parallel circuits to demonstrate the visual concepts of resistors in series and parallel. Seriesparallel circuits seriesparallel circuits can be more complex as in this case. Use the wires to connect the battery, the ammeter and three bulbs in series.
Circuits must have a load, such as a motor, light, or buzzer. Physics lab, youve got a chance to learn even more in regard to this material. To complete the lab you will be given the following equipment. In circuit b we have resistors r 1 and r 2 combined to get. In a series circuit, current is equal through all components. Last week we saw that when a dc series circuit is open, no current can flow. An electric circuit is an association of dipoles connected to one another by conducting wires. In this example, r2 and r3 are in parallel with each other, and r1 is in series with the parallel combination of r 2 and r 3. To analyze mathematical relationships between quantities for parallel circuits. Seriesparallel dc circuits analysis power calculations in a seriesparallel circuit effects of a rheostat in a seriesparallel circuit knowledge check 1.
In a series circuit, power dissipations add to equal the total. Lab 4 resistors in series and parallel introduction. Jan 09, 2017 mr habgood shows you how to measure the total resistance of resistors in series and parallel. To get started finding circuits phet lab answer key, you are right to find our website which has a comprehensive collection of manuals listed. Series circuits are ones where all devices are connected endtoend, forming a. I performed a series of experiments with different configurations of resistors, measuring the voltage and current across each resistor. Our library is the biggest of these that have literally hundreds of thousands of different products. Do all this without the fear of being electrocuted as long as you dont use your computing device in the bath tub. However, a trend i have noticed in many students is the habit of memorizing rather than understanding these rules. How life works ch 118 seminar assignments assignments 16 environmental science midterm. Feb 22, 2015 phys 102 formal simple dc circuits lab report 1.
Laboratory in wave motion, electricity, magnetism and optics phys 2240 uploaded by. Where series components all have equal currents running through them, parallel components all have the same voltage drop across them series. Series or parallel circuit an activity free flash animation for electricity learning interactive flash simulation to associate two dipoles bulbs lamps in series or parallel and see the difference between both. Circuit construction kit series of three activitites inquiry based using phet in electricity unit. Connect the voltmeter in parallel around each of the other two bulbs. Ask the class to predict what will happen if an additional bulb is added to the simple circuit, without making any other changes. Breadboarding series parallel circuits we will be breadboarding two basic circuits using ptl 3 and ptl 4 breadboards.
Have a discussion about the applications of each type of circuit. Practice drawing circuit diagrams reinforcement of ohms law introduction of series and parallel circuits make sure to exploreclick around if you do it will make your job much easier. The purpose of this lab is to create a series and parallel circuit as well as look at the relationship between voltage, resistance and current through each type of circuit. Andersen contrasts series and parallel electrical circuits. Breadboarding series parallel circuits electronics. From the positive battery terminal, current first encounters r 1. Set up each circuit and then measure the current and volage across each resistor. Students will be able to identify characteristics of each type of circuit, describe advantages and disadvantages of each, compare and contrast factors such as voltage, resistance and brightness. The purpose of this lab is to practice constructing electric circuits and to observe characteristics of series and parallel circuits. The current divides, with some passing through each parallel branch. A singlepole, doublethrow switch is the kind of switch for example, a light switch found at each entrance of rooms with two entrances. How to make a parallel circuit with pictures wikihow. Adjust the power supply until the potential difference across the resistors is 1.
This switch takes advantage of both series and parallel wiring. Determine if everyday objects are conductors or insulators, and take measurements with an ammeter and voltmeter. Accurately answer questions in complete sentences, at a high school level. Series and parallel circuits interactive simulations.
A dipole is an electrical conductor with two poles also called terminals. Seriesparallel circuits lab free class notes online. Review the similarities and differences between the four different types of circuits that students discussed during the activity. Lecture notes, introduction to human resources management samplepractice exam 2016, questions exam march 2016, questions and answers summary biology. Using your computer, tablet or phone and navigate to. You are going to build 2 series circuits, 2 parallel circuits and one combination circuit and measure the current through and voltage across each resistor. Note down the readings on the ammeter and voltmeter. In this activity, you will assemble series, parallel, and combination seriesparallel circuits using the schematics below.
The foil will be used to connect the power source to the loads. Compare this value with the power delivered by the power supply by recording the voltage and current on the power supply. They should be narrow, about the width of a drinking straw. Building series and parallel circuits lab series, parallel. Another purpose of this question is to instill in students minds the concept of components in a simple parallel circuit all sharing the same amount of voltage challenge your students to recognize any mathematical patterns in the. Displaying all worksheets related to building circuits. A companion laboratory manual for ac electrical circuits is also available. Two components are in series if they share a common node and if the.
Starting from the positive terminal of the battery, current flow will first encounter r1. Mr habgood shows you how to measure the total resistance of resistors in series and parallel. Two dipoles are in series when they share only a single terminal and, between. In a series circuit, there is only one path for the current to flow therefore all parts of a series circuit have the same current. Series and parallel circuits visit the science reasoning center. Students will work hard to memorize the rules without really comprehending why the rules are true, and therefore often fail to recall or apply the rules properly.
The characteristics and arrangement of the light bulbs will determine how much current flows. Circuit construction kit dc only, virtual lab name. Add resistors, light bulbs, wires and ammeters to build a circuit, explore ohms law. You will need to access the following website as this is a virtual lab. Electrical circuits worksheets middle school intrepidpath. Physics and chemistry by a clear learning in high school, middle school, upper school, secondary school and academy. Calculate and measure the voltage, current and resistance characteristics of complex series parallel circuits. The lab use the ohms law iru to find the equivalent resistance.
Resistors in series and parallel introductionabstract in this experiment, i used resistors in parallel and in series, and i also calculated the total resistance of an electric circuit. Worksheets are series circuit building work answers, elementary science program math science technology, electricity unit, creative inquiry electronics project lab manual, electric circuit with a breadboard, electricity and magnetism simple circuits, lesson plan electric circuits minutes concepts, simple circuits. Rules of series and parallel circuits are very important for students to comprehend. A series circuit is one where all the components including the battery are connected in a single, continuous loop. In this lab, my objective was to understand the relationships between resistance, potential. Series circuits mcq series parallel circuits mcq soil. Physics 215 experiment 11 series and parallel circuits. If the following resistors were replaced with the values indicated. Students build each circuit and then are asked questions. However, a trend i have noticed in many students is the. Building construction objective questions and answers. Abstract electrical circuits can be described with mathematical expressions.