Derive expressions for total capacitance in series and in parallel. A direct current dc electrical circuit consists of a source of dc electricity with a conducting wire going from one of the source terminals to a set of electrical devices and then back to the other terminal, in a complete circuit. Current and voltage readings will be displayed in a meter window. Please help me to correct my lab report and write the conclusion abstract.
May 08, 2015 thanks for sharing with your fzx teacher. If you have an adjustable power supply, set it at 3 v. The purpose of this laboratory is to observe the relationship between voltage drop across not through, and current through not across, electrical circuit elements. The simplest combinations of resistors are the series and parallel connections illustrated in. Verify the characteristics of parallel circuits r t, v r1 v r2, etc b. In this experiment, we could learn the difference between resistors in series and parallel. It is valid for many circuits and allows us to calculate one quantity if we know the value of the other two. In this lab, my objective was to understand the relationships between resistance, potential.
Seriesparallel circuits if we combined a series circuit with a parallel circuit we produce a seriesparallel circuit. Erin phlegar and stephen few physics 102l, section. Ohms law is the most fundamental relationship between the quantities of electric potential voltage, electric current, and resistance. The current flow is expected to be uniform throughout the series circuits, but will be stronger through the smaller resistor in the parallel circuits. R1 and r2 are in parallel and r3 is in series with r1. When one light bulb goes out in a series or a parallel circuit, what happens to the other light bulbs. Comparethe brightness of each bulb with the brightness of the single bulb. Several capacitors may be connected together in a variety of applications. General physics iii lab page 1 of 6 pcccascade experiment. Use the experimental apparatus and your knowledge of rc circuits to determine the effective capacitance, of the capacitors in series. Lab report on series and parallel circuit free essays. Identify series and parallel parts in the combination of connection of capacitors.
Most circuits have more than one component, called a resistor that limits the flow of charge in the circuit. 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. Series and parallel resistors california state university. The rules for series and parallel combinations of resistors and capacitors will also be explored.
Pictured below are two circuits showing a single battery in a battery holder and one or two. Physics 215 experiment 11 series and parallel circuits. Physics 6b lab jexperiment 5 electrical circuits apparatus computer and interface voltage sensor fluke 8010a multimeter pasco circuit board with two dcells box with hookup leads and components introduction this experiment is an introduction to the wiring of simple electrical circuits, the use of ammeters. To use ohms law to calculate equivalent resistance of series and parallel circuits. Conversely, in series, the equivalent resistance of one or more resistors is always larger than any of the original resistors. Dc circuits may be in series, parallel or a combination. Basically virtual lab for the two main types of circuit. To prevent the battery from being rundown all the way, do not leave your circuit connected longer than necessary. To test your understanding of kirchhoffs laws, you will learn to use a breadboard to wire complex electric circuits and verify the voltages and currents predicted by these laws. Oct 31, 2014 part 2 determine the current and voltage through current dividers and voltage dividers. Read this essay sample on series and parallel circuits lab report. Physics lab report of circuits essay topics, sample papers. Evaluate simple series and parallel circuits to predict changes to voltage, current, or resistance when simple changes are made to a circuit.
Thus, the equivalent resistance of the combination must get smaller. Physics 1062 lab 7 series and parallel circuits physics. To analyze this type of circuit, it should first be simplified reduced to an equivalent resistor, req. Series and parallel resistors physics 212 lab the circuit board in front of you has three circuits on it. This is from a physics lab report on voltage and c. You will also gain familiarity with connecting circuits and with voltmeters measuring voltage across a circuit element or elementsin parallel and ammeters measuring current through a circuit element or elementsin series.
Get an idea of how to write about ohms law physics lab report here. Using the four cells connected in series to form a sixvolt battery, connect one bulb in series with the battery. Series and parallel circuits lab report phys 2240 studocu. Now connect a second bulb in series with the first. Click on the multimeters to read the voltage or the current. Resistive elements are not connected in series or parallel.
Laboratory in wave motion, electricity, magnetism and optics phys 2240 uploaded by. Use your breadboard to connect all three capacitors together in parallel. 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. The data section includes a diagram of the two circuits being. A measure of this limit on charge flow is called resistance. To compare the characteristics of series circuits to the characteristics of parallel circuits. You will be building circuits similar to the ones you will be working with in homework and exam problems. Then, use the 10kw resistor with the capacitors in series to form an rc circuit. In a parallel circuit, each additional branch increases the size of the main line current that must be drawn from the battery. What resistance in series parallel with the network in figure 2 will result in i t 10ma. Physic lab 5 series and parallel circuits please h. Series and parallel circuits objectives to study current flow and voltages in series and parallel circuits. Electric circuits the following information is provided to the student. To complete the lab you will be given the following equipment.
Series and parallel circuit elements laboratory report frenzyl espinola, anna fermin, loren gabayeron, kristal fernandez department of math and physics college of science, university of santo tomas espana, manila philippines abstract the experiment is about the elements of series and parallel circuits. Feb 22, 2015 phys 102 formal simple dc circuits lab report 1. Introduction the objective of this experiment is to study electrical circuits and the two different ways in which components of a circuit can be connected. Dc circuits and ohms law of measurments helina wolfe tannaz farnoudi and najah rouse physics 246205 professor joe renaud 0923 word count. Notice the voltmeter has leads in the com and v ports and is connected from one side of the resistors to the other side. Calculate the effective capacitance in series and parallel given individual capacitances.
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. 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. Technologyengineering progression grades 910 the use of electrical circuits and electricity is critical to most technological systems in society. Erin phlegar and stephen few physics 1 slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. After completing this lab, you will be able to explain the difference between series and parallel circuits, and describe how the voltage and. This lab includes activities that are not computerbased and require equipment. Equipment for lab 6, series and parallel resistor circuits. For this lab you will be looking at voltage and current in a parallel circuit. Phy 124 dc circuits stony brook physics laboratory manuals. For this lab, the source of voltage will be two d cell batteries. The double lines between r1 and r2 is a symbol for parallel. Conclusion on series and parallel circuits conclusion on. Calculate total resistance of a circuit that contains a mixture of resistors connected in series and in parallel.
Click on the move meter button to switch your meters to another resistor. In part 1 of the lab you will be analyzing the very top circuit. Verify your calculations experimentally by measuring i t. Prepare the computer for data collection by opening the experiment file 23a series parallel circ. Rc circuits and the oscilloscope mercer university physics. Click on the resistor or battery pack to generate new random voltages or resistances. The purpose of this lab is to practice constructing electric circuits and to observe characteristics of series and parallel circuits.
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