Verify the characteristics of parallel circuits r t, v r1 v r2, etc b. You will be building circuits similar to the ones you will be working with in homework and exam problems. Not required equipment list qty items part numbers 1 acdc electronics lab em8656 2 d cell 1. It is valid for many circuits and allows us to calculate one quantity if we know the value of the other two.
Rc circuits and the oscilloscope mercer university physics. In part 1 of the lab you will be analyzing the very top circuit. Phy 124 dc circuits stony brook physics laboratory manuals. 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. Lab report on series and parallel circuit free essays. Conversely, in series, the equivalent resistance of one or more resistors is always larger than any of the original resistors.
Click on the move meter button to switch your meters to another resistor. A dc circuit is necessary for dc electricity to exist. Series and parallel circuits objectives to study current flow and voltages in series and parallel circuits. Several capacitors may be connected together in a variety of applications. Notice the voltmeter has leads in the com and v ports and is connected from one side of the resistors to the other side. R1 and r2 are in parallel and r3 is in series with r1. The rules for series and parallel combinations of resistors and capacitors will also be explored. May 08, 2015 thanks for sharing with your fzx teacher. Feb 22, 2015 phys 102 formal simple dc circuits lab report 1. Seriesparallel circuits if we combined a series circuit with a parallel circuit we produce a seriesparallel circuit.
Laboratory in wave motion, electricity, magnetism and optics phys 2240 uploaded by. The purpose of this lab is to practice constructing electric circuits and to observe characteristics of series and parallel circuits. Identify series and parallel parts in the combination of connection of capacitors. 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. Read this essay sample on series and parallel circuits lab report. Rc circuits and the oscilloscope physics lab x objective in this series of experiments, the time constant of an rc circuit will be measured experimentally and compared with the theoretical expression for it. Dc circuits and ohms law of measurments helina wolfe tannaz farnoudi and najah rouse physics 246205 professor joe renaud 0923 word count. 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. To prevent the battery from being rundown all the way, do not leave your circuit connected longer than necessary. Get an idea of how to write about ohms law physics lab report here. Prepare the computer for data collection by opening the experiment file 23a series parallel circ. Ohms law is the most fundamental relationship between the quantities of electric potential voltage, electric current, and resistance. Calculate total resistance of a circuit that contains a mixture of resistors connected in series and in parallel. Verify your calculations experimentally by measuring i t.
Thus, the equivalent resistance of the combination must get smaller. In this lab you will be using a battery to light two lightbulbs. When one light bulb goes out in a series or a parallel circuit, what happens to the other light bulbs. 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. After completing this lab, you will be able to explain the difference between series and parallel circuits, and describe how the voltage and. To complete the lab you will be given the following equipment. The data section includes a diagram of the two circuits being. Current and voltage readings will be displayed in a meter window. Basically virtual lab for the two main types of circuit. Erin phlegar and stephen few physics 102l, section. Electric circuits the following information is provided to the student. Physics 1062 lab 7 series and parallel circuits physics. Connect voltage probe to ch 1 on the labpro interface.
Pictured below are two circuits showing a single battery in a battery holder and one or two. Please help me to correct my lab report and write the conclusion abstract. General physics iii lab page 1 of 6 pcccascade experiment. Technologyengineering progression grades 910 the use of electrical circuits and electricity is critical to most technological systems in society. Physic lab 5 series and parallel circuits please h. This is from a physics lab report on voltage and c. Erin phlegar and stephen few physics 1 slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 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.
Derive expressions for total capacitance in series and in parallel. Series and parallel resistors physics 212 lab the circuit board in front of you has three circuits on it. 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. Then, use the 10kw resistor with the capacitors in series to form an rc circuit. A measure of this limit on charge flow is called resistance. Most circuits have more than one component, called a resistor that limits the flow of charge in the circuit. Oct 31, 2014 part 2 determine the current and voltage through current dividers and voltage dividers. Series and parallel resistors california state university.
The purpose of this laboratory is to observe the relationship between voltage drop across not through, and current through not across, electrical circuit elements. To use ohms law to calculate equivalent resistance of series and parallel circuits. Resistive elements are not connected in series or parallel. Equipment for lab 6, series and parallel resistor circuits. A short comparison and contrast between series and parallel circuits was made in the previous section of lesson 4. If you have an adjustable power supply, set it at 3 v. For this lab, the source of voltage will be two d cell batteries.
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. Now connect a second bulb in series with the first. In a parallel circuit, each additional branch increases the size of the main line current that must be drawn from the battery. Physics lab report of circuits free essays, term papers. Click on the multimeters to read the voltage or the current. Using the four cells connected in series to form a sixvolt battery, connect one bulb in series with the battery. For one part of the lab we used two 100 ohm resistors in series and measured the following. Series and parallel circuits lab report phys 2240 studocu. The physics classroom, 2009 series versus parallel lab teachers guide topic.
To analyze this type of circuit, it should first be simplified reduced to an equivalent resistor, req. Use the experimental apparatus and your knowledge of rc circuits to determine the effective capacitance, of the capacitors in series. Calculate the effective capacitance in series and parallel given individual capacitances. The simplest combinations of resistors are the series and parallel connections illustrated in. The double lines between r1 and r2 is a symbol for parallel. 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. Dc circuits may be in series, parallel or a combination. In this lab, my objective was to understand the relationships between resistance, potential. Evaluate simple series and parallel circuits to predict changes to voltage, current, or resistance when simple changes are made to a circuit. Use your breadboard to connect all three capacitors together in parallel.
Comparethe brightness of each bulb with the brightness of the single bulb. In this experiment, we could learn the difference between resistors in series and parallel. Conclusion on series and parallel circuits conclusion on. What resistance in series parallel with the network in figure 2 will result in i t 10ma. This is from a physics lab report on voltage and current for resistors in series and parallel.
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. 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. Click on the resistor or battery pack to generate new random voltages or resistances. The current flow is expected to be uniform throughout the series circuits, but will be stronger through the smaller resistor in the parallel circuits.
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