Resistors in series and parallel circuits phet lab

Review the following concepts of circuits ohms law parallel and series circuits combination circuits meters shorts switches equivalent resistance battery combinations c setup. Combined series and parallel circuits phet contribution. Physics resistors in series and parallel 2 of 5 youtube. To use ohms law to calculate equivalent resistance of series and parallel circuits. On the other hand, if each resistor has a different resistance value, then the voltage across each resistor is different. Set each resistor to a different value and chose a reasonable battery voltage. It would be useful to revise some of the investigations covered in the grade 8 syllabus as activities this year. How does the motion of the electrons through the resistors compare to those from the battery. View the circuit as a schematic diagram, or switch to a lifelike view. However, they will now learn more detail about how the circuits function. Description this online lab was designed in spring 2020 to supplement learning, since all lectures and labs were moved online. In a parallel circuit, there can be breaks at certain points and current will still flow though not completely. This physics video tutorial explains series and parallel circuits. Circuitlab has no problem simulating big circuits of resistors, voltage sources, and current sources.

The simplest combinations of resistors are the series and parallel connections. A short comparison and contrast between series and parallel circuits was made in the previous section of lesson 4. For this lab, the source of voltage will be two d cell batteries. Discuss basic electricity relationships in series and parallel circuits. In part 1 of the lab you will be analyzing the very top circuit and then you will work your way down the board for.

View the circuit as a schematic diagram, or switch to a. Using the voltmeter, measure the voltage across each resistor. Use voltmeters and ammeters to take readings in circuits. A measure of this limit on charge flow is called resistance. This was an easy lab that i did with my conceptual physics students to have them explore the properties of series and parallel circuits using the phet circuit building kit online. A series circuit provides only one pathway for the electrons to move through the circuit. It also helped them learn how to build circuits as well and understand the mechanics of circuits. In some cases when we do not get the desires or specific resistor values we have to either use variable resistors such. Technologyengineering progression grades 910 the use of electrical circuits and electricity is critical to most technological systems in society. View lab report circuit lab from physics 101 at bellaire high school. Physics 215 experiment 11 series and parallel circuits 45 5. Resistors in electric circuits 7 of 16 adding resistors in parallel. Series parallel circuits series parallel circuits can be more complex as in this case. The following four elements are explained in detail.

Theory commercial resistors are manufactured with specific values. Load the simulation by clicking open in editor above, and then click. Ohms law ii resistors in series and parallel prelab. Series and parallel circuits basics lab answers manufacturing software unisoft electronic manufacturing npi software for oem, ems, cem, odm series vs parallel circuits explanation of series and parallel circuits and the differences between each. Circuits may contain elements such as resistors, capacitors, and inductors. In circuit b we have resistors r 1 and r 2 combined to get. Parallel circuit handout to go along with the problems on this page and the phet lab at the end. Students will be able to discuss basic electricity relationships in series and parallel circuits build circuits from schematic drawings use voltmeters and ammeters to take readings in circuits. Recall from the last lab that resistance is the impedance to current flow. Series and parallel resistors physics 212 lab the circuit board in front of you has three circuits on it. To compare the current and voltage distribution in parallel and series circuits. We will look at the difference between these two setups in circuits, specifically looking at the effects of adding resistors in series or in parallel and observing the change in brightness of bulbs. Resistors in series and parallel introduction direct current dc circuits are characterized by the quantities current, voltage and resistance. The simplest combinations of resistors are the series and parallel connections illustrated in figure 1.

Series and parallel circuits interactive simulations edumedia. The purpose of this experiment is to explore the relationship between voltage and current in networks of resistors connected in series and in parallel by constructing 6 simple circuits. Circuit lab resistors in series and parallel circuits. These arrangements are called series and parallel circuits. Why is this different than the case for a series circuit. Series circuits series and parallel circuits siyavula. Open the dc power supply set up file provided with the lab. Most circuits have more than one component, called a resistor that limits the flow of charge in the circuit. Circuit 1 properties of electric circuits inquiry based series and parallel circuits basics.

The simplest combinations of resistors are the series and parallel connections illustrated in. Resistors in series and parallel objectives in this experiment, you can examine serial and parallel connected resistors. It could be used as a lab or a homework assignment or for remote learning. Resistors can be combined in simple circuit arrangements that increase or decrease the overall resistance in the circuit. Open the dc power supply set up file provided with the lab instructions.

General physics iii lab page 1 of 6 pcccascade experiment. A parallel circuit includes branches providing multiple paths for current to flow. Explore the effect of space and dielectric materials inserted between the conductors of the capacitor in a circuit. Use the voltmeter to measure the voltage across r 3.

Parallel circuit handout to go along with the problems on this page and the phet lab. Ohms law, kirchhoffs laws, resistors in parallel and series lab. The total resistance of a combination of resistors depends on both their individual values and how they are connected. You will be building circuits similar to the ones you will be working with in homework and exam problems. Current and potential difference in series and parallel circuits. Determine if everyday objects are conductors or insulators, and take measurements with a lifelike ammeter and voltmeter. Each way of wiring a circuit has its own distinct properties. In part 1 of the lab you will be analyzing the very top circuit. The total resistance of a combination of resistors depends on both their individual values and.

The essential concepts of resistors in parallel are explained both conceptually and mathematically. Determine the equivalent capacitance of a set of capacitors in series and in parallel in a circuit. The explanation is what will be graded, so be as complete as possible, using information from the previous circuits to support your answer. In this lab, you will learn how resistors in series and parallel add and how these configurations affect the current flowing in the circuit. Students will learn about ohms law, kirchhoffs two laws current law and voltage law, and how to calculate the total resistance in a parallel and series circuit. Laboratory in wave motion, electricity, magnetism and optics phys 2240 uploaded by. Insert the wires of these leads into the circuit board across the three resistors in series with the two multimeters set to voltage v and current a as shown in the figures 6 and 7. This lab is designed for high school physics students.

The questions cover fundamental properties of current, voltage, and the properties of batteries, wires, and resistors. Provide reasoning to explain the measurements in circuits. Build circuits with resistors, light bulbs, batteries, and switches. Increasing the number of cells connected in series, increases both the current strength through the circuit and the potential difference across the cells.

Evaluate simple series and parallel circuits to predict changes to voltage, current, or resistance when simple changes are made to a circuit. We will now examine the concept of series and parallel circuits. The brightness of the light bulbs in series and parallel. Measure the voltage and resistance at each indicated spot and record in the chart above. Well then explore what happens in series and parallel circuits when. Hence any complex resistive circuit consisting of number of resistors connected in combination of both series and parallel combinations can be reduced by first identifying the simple parallel resistor branches and series resistor branches. The purpose of this lab is to teach students about the. Seriesparallel circuits seriesparallel circuits can be more complex as in this case. Jan 23, 2015 in this video paul andersen explains how electric circuits contain different elements which can be connected in series or in parallel. In this tutorial, well first discuss the difference between series circuits and parallel circuits, using circuits containing the most basic of components resistors and batteries to show the difference between the two configurations. It contains plenty of examples, equations, formulas, and practice problems showing you how to solve it. In that section, it was emphasized that the act of adding more resistors to a series circuit results in the rather expected result of having more overall resistance. Ohms law iii resistors in series and parallel v rrr 2 1 2 3 e v 1 v 3 v t i 1 i i t 2 i 3 figure 1.

Resistors in series and parallel circuits using cck simulation erica chen learning goals. Circuit lab 2 series and parallel circuits phet contribution. Notice the voltmeter has leads in the com and v ports and is connected from one side of the resistors to the other side. Determine if everyday objects are conductors or insulators, and take measurements with an ammeter and voltmeter. The equipment required in this experiment are two 6.

Circuit construction kit dc only electricity, circuits. Circuit activity 2 series and parallel circuits using only cck inquiry. Circuitlab may not work as expected in your web browser. Oct 07, 2015 resistors in series and parallel combinations. Current must go through every component in order starting from the positive terminal of the battery through everything in order and back to the negative battery terminal. This physics video tutorial explains how to solve any resistors in series and parallel combination circuit problems. When a circuit is designed, the equivalent resistance cannot be found in commercial products. 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. Then well learn how to measure the current through a wire, as well as the voltage between two points in a circuit. Resistors in series and parallel combinations electronics post. Resistors in series and parallel physics lab stephen. Resistors in series and parallel combination of networks. Series resistors parallel resistors preliminary questions 1.

Resistors in series and parallel circuits using cck simulation venu kantamani period 1 learning goals. Series and parallel resistors practice khan academy. In a series circuit components like resistors and loads are connected in a single path. Build circuits with batteries, resistors, light bulbs, fuses, and switches.

Not required equipment list qty items part numbers 1 acdc electronics lab em8656 2 d cell 1. Circuit lab resistors in series and parallel circuitsusing. Finally, the equivalent resistance is calculated in circuits. The total current in the circuit can be calculated using ohms law i v1 r eq 6 6 1 a. Phys 1040 general physics ii lab resistors, ohms law and equivalent resistance. If all the resistors in the series circuit have the same resistance value then the voltage across each and every resistor is same. Current and potential difference in series and parallel. Up until now, we have only been looking at simple circuits. Resistors in series and parallel boundless physics. Identify series and parallel resistors in a circuit setting. I would use a parallel circuit, a series circuit, and a voltage meter. In this lab you will perform an experiment to understand the relationship between applied voltage, current and resistance in a circuit explore equivalent resistance when two or more resistors are connected together. Circuit construction kit series of three activitites inquiry based using phet in electricity unit. We will use the circuit simulator from pet go to phel circuit construction kit dc and open the simulation goals.

In this five part lecture series ill show you how to determine the effective resistance of resistors in series, parallel and a combination of series and parallel. Equipment for lab 6, series and parallel resistor circuits. Circuit lab 2 series and parallel circuits a gold star indicates highquality, inquirybased activities that follow the phet. Why are the brighter bulbs those with the least resistance. Draw what the screen looks like explain your answers to the following questions. In some cases when we do not get the desires or specific resistor values we have to either use variable resistors such as potentiometers or presets to obtain such precise values. They will be introduced to the concept of potential difference. The effect of a single bulb being removed and the effect of bulbs being added are investigated. Series and parallel circuits lab report phys 2240 studocu. In series circuits, all resistors must be connected and there must be no breaks in order for current to flow.

Note that the resistors are connected to each other at two points. Stephen enright resistors in series and parallel in this lab, my goal is to use ohms law to find calculated values and compare the results with the actual readings of a digital multimeter. Three resistors r1, r2, and r3 connected in series. Increasing the number of resistors in a series circuit increases the overall resistance of the circuit. This video uses a simulation from phet to show how the following. Series and parallel circuits objectives to study current flow and voltages in series and parallel circuits. The goal of these questions is to judge student understanding of currents and voltages in series, parallel, and combined dc circuits. Ohms law iiiresistors in series and parallel connected in parallel can be found using the same general procedure and will result in the relationship n tii1 1 rr. The voltage drop across the battery vt will be the total sum of the individual drops across each of the 3 resistors, and. If youre seeing this message, it means were having trouble loading external resources on our website. Based on the rule for calculating total resistance for resistors in parallel, what was the total resistance in the circuit. Two dipoles are in parallel or in a branched circuit if their two pairs of terminals are shared. Two dipoles are in series when they share only a single terminal and, between shared terminals, there is no branching toward another dipole.

In our previous post about resistors, we studied about different types of resistors. This inquiry lab is to be completed after initial series and parallel circuits concepts are first taught. Phys 1040 general physics ii lab resistors, ohms law. In the last unit we covered series circuits which only had one path. Most circuits have more than one component, called a resistor, that limits the flow of charge in the circuit. If one of the resistors in a series circuit stops working, the current will not. Take measurements with the realistic ammeter and voltmeter. The physics classroom, the laboratory, series versus parallel lab students explore series and parallel circuits in a very conceptual manner in order to determine how they are similar and how they are different. Learners have already been introduced to series and parallel circuits in grade 8. Adjust the power supply until the potential difference across the resistors is 1. Physics 215 experiment 11 series and parallel circuits. What this value for resistance equal to, greater than, or less than the resistance calculated based on the emf of the power supply and the current through the. In the last lab, you may have noticed that your experiment not the.