# Series And Parallel Circuits Computer Lab - Weebly

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Series and Parallel Circuits Basics1Name:PerDateSymbols for circuit diagramsDirections:1.Log on to your computer2.Go to the following cuit-construction-kit-dcClick the button that says “Play with sims ”3.Click on the application that says Circuit Construction Kit (DCOnly) It should be the first box.4.Click “Run now.”5.You now have the raw material to create a circuit. Take amoment to look over the site and find all the different materials. Tobuild a circuit you will need several wires, a light bulb, a voltagesource, a voltmeter, and a non – contact ammeter. Play with it to see how to grab and manipulatethese tools.6.Click the reset button.Series Circuits1) Build a simple series circuit that consists of 6 pieces of wire, 1 light bulb, and 1 battery (voltage source).In order to complete the circuit, the red circles at the end of each must overlap. Please note that the light bulbalso has TWO circles. Your circuit is complete and working when the light comes on and the blue dots beginmoving. Call me over to sign your paper once you believe you have completed this task.a. Draw a picture of your circuit here.Call me over to sign your paper once you believe you have completed this task.b. What do you think that the moving blue dots represent?

Series and Parallel Circuits Basics35) Click the advanced tab and alter the resistivity of the wire. Record your observations.Click the reset button to begin working on a parallel circuit.Parallel Circuits6) Parallel circuits provide more than one path for electrons to move. Sketch a parallel circuit that includes10 wires, 2 light bulbs and 1 voltage source.Call me over to sign your paper once you believe you have completed this task.7) Create the above parallel circuit using the simulator tool. The blue dots will be moving and both lightswill be on once the circuit is complete.8) Use the voltmeter and non-contact ammeter to measure electron flow and push.a. Voltage:Ammeter:b. How does this compare with your observations in the series circuit? Is this surprising? WHYor WHY NOT?c. Alter resistance of both resistors and voltage and record your observations below.d. Now right click on one of the wires connected to a light bulb. Remove the wire and recordyour observations.

Series and Parallel Circuits Basics4e. Does this affect the voltage, amperes, or visually change the appearance of the light bulb?f. Replace the wire. Now remove one of the wires touching the voltage source. What happened?Click the reset button.Complex CircuitsWhen you combine together series circuits and parallel circuits, youcreate some pathways that allow the electrons to be able to travel inmore than one wire.9) Create the circuit as shown to the right and change the voltageof the battery to 30 V. Initially set the resistance to 10 ohms(the greek leter capital omega (Ω) is the symbol used to labelohms). Now using your voltmeter and ammeter, measure thevoltage and amperage of each resistor. Then using Ohm’s law,(voltage (V) amperage (I) times resistance (R) , calculate the resistance for each resistor or pair of resistorsin each circuit.10) After you fill I the tables below, answer the following questions:a. What effect does it make to have R2 & R3 in parallel andnot series?b. How could you replace R2 and R3 with a single resistor sothat the Voltage, amperage and resistance at R1 does notchange?

Series and Parallel Circuits Basics5Voltage in e(A)(Ω)CalculatedresistanceR V/IR1R2R3R4R5Before the parallelcircuitAfter the parallelcircuitTotal of R1,Parallelcircuit, R4 & R5Now change each of the resistors so they each have a different value and repeat the measurements ce(Ω)R1R2R3R4R5Before the parallelcircuitAfter the parallelcircuitTotal of R1,Parallelcircuit, R4 & R5Amperage(A)CalculatedresistanceR V/I

Series and Parallel Circuits Basics 3 5) Click the advanced tab and alter the resistivity of the wire. Record your observations. Click the reset button to begin working on a parallel circuit. Parallel Circuits 6) Parallel circuits provide more than one path for electrons to move. Sketch a parallel circuit that includes

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