Experiment 4b series parallel circuits lab report phys. Resistors in series and parallel introduction direct current dc circuits are characterized by the quantities current, voltage and resistance. S eries p arallel c ircuits i ntroduction in this experiment, we reduce series parallel circuits to an equivalent resistance. In some cases when we do not get the desires or specific resistor values we have to either use variable resistors such. In addition, the expected distribution of the voltage and current to each resistor in a network will also be tested. Included, labeled and organized all parts of the lab report. Basically virtual lab for the two main types of circuit. Ecpi unit3lab eet110 electric circuits i unit 3 lab. Series and parallel circuits objectives to study current flow and voltages in series and parallel circuits.
Simple parallel circuit for demonstrating voltage and current behavior to intro students. Series and parallel circuits amber lu physics 2240. Get an idea of how to write about ohms law physics lab report here. The student will measure the circuit current, the voltages. Investigation of the characteristics of series and parallel circuits. The purpose of this lab is to verify ohms law then to apply ohms law to series parallel circuits and verify the current and voltage rules. Wires add series resistance to circuits, just as good and bad connections add also. Figure 52 series parallel circuit for part 2 of the prelab.
What resistance in series parallel with the network in figure 2 will result in i t 10ma. Wires have resistance that depend on wire size, length, and type of material. To find the total resistance in a series circuit the math is simple, add the individual resistances together. Conclusion on series and parallel circuits conclusion on. The purpose of this experiment is to investigate the relationship between voltage, resistance, and current as described by ohms law. In our previous post about resistors, we studied about different types of resistors. Series and parallel circuits lab report phys 2240 studocu. Feb 22, 2015 phys 102 formal simple dc circuits lab report 1. We then use ohms law to find the resistance by dividing the measured voltage by the. Seriesparallel dc circuits analysis power calculations in a seriesparallel circuit effects of a rheostat in a seriesparallel circuit knowledge check 1. Rc circuits 2 two circuit elements are in series if all of the current flowing through one also flows through the other. The first principle to understand about parallel circuits is that the voltage is equal across all components in the circuit. Studying emt 1150 electrical circuits at new york city college of technology.
Created to show intro students how to measure current and voltage in a simple series parallel circuit. Ohms law is a key device equation that relates current, voltage, and resistanc. A zener diode provides controlled reverse breakdown, and can act as a fixed voltage reference. This law states that the current in a circuit is directly proportional to the potential. The dc analysis of a series resistance circuit should support ohms law and the formula for total resistance in a series circuit ohms law describes the relationship as. To accomplish this, we built a series and parallel circuit each containing three resistors. To compare the current and voltage distribution in parallel and series circuits.
Check your prediction and report the new values of the current and voltage. Read this essay sample on series and parallel circuits lab report. Assess which resistors in a circuit are connected together in simple series or simple parallel. To study the equivalent resistances of two fundamental connections of resistors resistors in series and in parallel. This is from a physics lab report on voltage and c. General physics iii lab page 1 of 6 pcccascade experiment. Series parallel circuits if we combined a series circuit with a parallel circuit we produce a series parallel circuit. Parallel circuits are a bit trickier, allowing multiple circuits to connect while operating individually as part of a larger circuit. In this lab you will work with two circuits, one series and one in parallel. Circuits wired in series are the easiest to understand, with current flowing in one continuous, smooth direction. Each of these circuits will use the same three resistors. What is the difference between series vs parallel circuits. Experiment 4 series and parallel circuits physics laboratory 14403487 october 23.
Just like voltage, resistance is a quantity relative between two points cramblet, boorn, crowell, and starck. Series and parallel circuits chapter from lessons in electric circuits vol 1 dc free ebook and lessons in electric circuits series. In this experiment, we could determine the total current flowing through a series circuit and parallel circuit, the voltage across each resistor and the current flowing through a series circuit and parallel circuit. Analysis techniques for series parallel resistor circuits. This lab features a high frequency and a low frequency approach. Lab report on series and parallel circuit free essays. Circuitlab has no problem simulating big circuits of. For holiday lights, this means one bulb can burn out and not affect the rest of the circuit. An equivalent resistor is a single resistor that can replace a complicated series parallel circuit to produce the same resistance. In this experiment, you will examine how combinations of batteries and resistors affect both the energy and the flow rate of charge in electrical circuits. Verify the characteristics of parallel circuits r t, v r1 v r2, etc b. Parallel and series resistor circuit analysis worked example using ohms law reduction doc physics duration. When doing circuit analysis, you need to know some essential laws, electrical quantities, relationships, and theorems. The brightness of the light bulbs in series and parallel.
Technologyengineering progression grades 910 the use of electrical circuits and electricity is critical to most technological systems in society. Science 14 lab 3 dc circuits theory all dc circuit analysis the determining of currents, voltages and resistances throughout a circuit can be done with the use of three rules. To understand the resonance frequency, cutoff frequency, bandwidth and quality factor of a resonance circuit. Using ohms law, one can show that with the ammeter in the circuit, the. This is from a physics lab report on voltage and current for resistors in series and parallel. Read the following introduction before you begin constructing any of these circuits. Investigation of the characteristics of series and. Rlc series circuit introduction the objective of this experiment is to study the behavior of an rlc series circuit subject to an ac input voltage. R1 and r2 are in parallel and r3 is in series with r1. The purpose of the lab is to find the equivalent resistance for components in an electrical circuit in series and parallel. Physic lab 5 series and parallel circuits please h.
We measured the current and potential differences across the resistors on each circuit. In this lab, my objective was to understand the relationships between resistance, potential. View lab report physics lab 1440 experiment 4 lab report. Resistors in series and parallel lab report conclusion source. In this lab activity, you will construct a sequence of simple series and parallel circuits using small light bulbs. Most practical circuits involve various combinations of series and parallel components. See for the calculation of the overall capacitance of the circuit. Not required equipment list qty items part numbers 1 acdc electronics lab em8656 2 d cell 1.
To practice more complicated construction of circuits. Include a statement that the work done in this lab and submitted in this report is yours and your partners. To study the behavior of series and parallel lc circuits at resonance. A simple parallel circuit arranges the resistors to have the same voltage applied across them instead and not the same amount of current. When the number of light bulbs in a series or a parallel circuit is increased, what happens to the overall. Series parallel dc circuits analysis wisconline oer this website uses cookies to ensure you get the best experience on our website. Physics lab report of circuits essay topics, sample papers. Phys 102 formal simple dc circuits lab report 21,459 views. If the following resistors were replaced with the values indicated. In a series circuit, the parts of the circuit are in a row, one after the other so current flows through them. Ecet 231 circuit analysis i lab 6 series parallel dc circuits objective. Emt 1150 lab professor aparicio carranza electrical circuits.
Laboratory in wave motion, electricity, magnetism and optics phys 2240 uploaded by. To use ohms law to calculate equivalent resistance of series and parallel circuits. For one part of the lab we used two 100 ohm resistors in series and measured the following. Similar to the thought experiment last week, imagine a trough, such as a rain gutter, various types of materials we can insert into the trough all fit snugly so no water can gush past the edges to change how water flows from the top to the bottom. To analyze this type of circuit, it should first be simplified reduced to an equivalent resistor, req. Resistance is a measure of a devices ability to conduct electric current for a given potential difference. Sep 02, 2011 what do you notice about the relationship between the three voltage readings v 1, v 2, and v tot in parallel circuits. With simple series circuits, all components are connected endtoend to form only one path for the current to flow through the circuit. Be sure to include all items from the post lab exercise above in your written lab report. With simple parallel circuits, all components are connected between the same two sets of electrically common points, creating multiple paths for the current to flow. In a series circuit the following equations are used to calculate resistance, voltage and current. Equipment for lab 6, series and parallel resistor circuits.
What do you notice about the relationship between the three voltage readings v 1, v 2, and v tot in parallel circuits. Evaluate simple series and parallel circuits to predict changes to voltage, current, or resistance when simple changes are made to a circuit. In this lab, we will investigate kirchhoffs 1st and 2nd rules for series and parallel circuits. Switch off, before connecting the circuit of figure 6, measure the total. To observe resistance, current, and voltage relationships in series and parallel combinations. The goal of series parallel resistor circuit analysis is to be able to determine all voltage drops, currents, and power dissipations in a circuit. Seriesparallel dc circuits analysis wisconline oer. There are two types of circuits namely, series and parallel. Resistive elements are not connected in series or parallel. Series and parallel resistive circuits physics lab viii objective in the set of experiments, the theoretical expressions used to calculate the total resistance in a combination of resistors will be tested experimentally. The lab use the ohms law iru to find the equivalent resistance.
Phys 2240section 516 lab 4b report anagha krishnan l ab r eport 4b. It is valid for many circuits and allows us to calculate one quantity if we know the value of the other two. Series and parallel circuits series circuits parallel circuits calculating equivalent resistances in series circuits calculating equivalent resistances in parallel circuits experiment time part 1 experiment time part 2 rules of thumb for series and parallel resistors series and parallel capacitors experiment time part 3. The purpose of this lab is to practice constructing electric circuits and to observe characteristics of series and parallel circuits. Appendixc appendix dmm objective the objective of this lab is to study circuits with resistors connected in series, parallel, and combination.
Physics 2204 lab report 4 physics 2240 experiment 4 ohm. Physics 2240 2252016 experiment 4 ohms law and series parallel circuits. You will apply a dc voltage to the circuit and measure the current through and voltage across each resistor. Show your pre lab work to the instructor at the beginning of the lab session. Students successfully completing this lab will accomplish the following objectives. Introduction in this experiment we will determine how voltages are distributed in resistor circuits according to ohms law, and explore series and parallel combinations of resistors.
For this lab, the source of voltage will be two d cell batteries. We then confirm that resistance experimentally by measuring the total current and the total voltage. Circuitlab may not work as expected in your web browser. May 14, 2014 in this lab, we will investigate kirchhoffs 1st and 2nd rules for series and parallel circuits. This is because there are only two sets of electrically common points in a parallel circuit, and voltage measured between sets of common points must always be the same at any given time. Components, eg bulbs, may be connected in series or parallel in a circuit. The current flow is expected to be uniform throughout the series circuits, but will be stronger through the smaller resistor in the parallel circuits.
Pdf py2404 lab report series and parallel circuits. In circuit 1, my group and i figured that bulbs 1 and 3 were wired in series, and 2 was wired in parallel. The objective of this laboratory experiment is to analyze a series circuit in respect to its components and characteristics. Learners follow a methodical approach for the dc analysis of series parallel circuits. The double lines between r1 and r2 is a symbol for parallel. Two resistors in series a circuit having two resistors r1 and r2 in series is indicated below. Erin phlegar and stephen few physics 102l, section. Verify your calculations experimentally by measuring i t. For the rc circuit with two capacitor in series and the rc circuit with two capacitors in parallel, percent differences between the observed and theoretical values were all 9. Wires you can change the length and orientation of the wires by clicking and. Experiment 3 resistors in series and in parallel print this page to start your lab report 1 copy print 2 copies of this file data page object. Engr 2415 circuit analysis lab acalog acms unt catalog. Parallel circuits did behave differently than series circuits did. Resistors in series and parallel circuits frederiksen.
In this experiment, we could learn the difference between resistors in series and parallel. The first four were series circuits i learned in chapter five. As a student this lab will help me learn how take measurements with a multimeter and use this multimeter to find shorts and opens in series and parallel circuits. 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. On studocu you find all the study guides, past exams and lecture notes for this course. We will use a multimeter to measure the voltage v, resistance r, and current i of said series circuit and use the collected data to determine how a series circuit functions. Resistors in series and parallel lab report conclusion. The last four were parallel i learned in chapter six. Physic lab 5 series and parallel circuits please help me to correct my lab report and write the conclusion abstract. Gain experience analyzing and verifying, by measurements, the characteristics of series parallel resistive circuits. Circuit construction kit series of three activitites inquiry based using phet in electricity unit. For equipment, each lab station should include a dual channel oscilloscope preferably digital, a function generator and a quality.
Why would you want to set a circuit up in parallel. Series and parallel circuits 85 advance reading text. Experiences include use of computer aided tools for data acquisition, analysis of data, and report generation. The general strategy to accomplish this goal is as follows. Ohms law iiiresistors in series and parallel however, all wires that make connections and the connections themselves qualify as series resistance. Increase understanding of the relationship of voltage, current and. Series parallel combination circuits chapter from lessons in electric circuits vol 1 dc free ebook and lessons in electric circuits series. Physics 215 experiment 11 series and parallel circuits.
Theory in the previous experiment, you constructed 4 circuits. Also, measurements in very simple series and parallel circuits will be discussed. And the more work you have a series circuit do, the more your current will decrease. Ohms law is the most fundamental relationship between the quantities of electric potential voltage, electric current, and resistance. And we can see the relationship of the resistances, current and voltage in circuit which related to ohms law. The main idea i obtained from this lab was that if the amperes of a circuit increases, then the resistance of that circuit must decrease. View lab report physics 2204 lab report 4 from physics 2240 at university of north texas. To complete the lab you will be given the following equipment. Parallel circuits are set up so that the current has an independent path to take through each piece.