Resistors are in parallel if their terminals are connected to the same two nodes. Compare measured and calculated voltages and current for a series parallel rlc circuit at discrete frequencies. Rc circuits 2 two circuit elements are in series if all of the current flowing through one also flows through the other. Parallel resonance and parallel rlc resonant circuit. Wrong connecting the ammeter will damage the instrument. Disconnect the voltage probe and, into the same channel, connect a second current probe. Parallel circuit is a circuit wherein each device is placed in its own separate branch. Mar 22, 2010 purpose to investigate the current flow and voltages in series and parallel circuits, and also to use ohms law to calculate equivalent resistances of series and parallel circuits.
Each charge passing through the loop of the external circuit will pass through a single resistor present in a single branch. See for the calculation of the overall capacitance of the circuit. To check kirchhoffs current law kcl from previous lab 2. 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. Prepare the computer for data collection by opening the experiment file 23a series parallel circ. Circuits laboratory experiment 3 ac circuit analysis. However, the characteristics and graphs drawn for a parallel circuit are exactly opposite to that of series circuits with the parallel circuits maximum and minimum impedance, current and magnification being reversed. Figure 52 series parallel circuit for part 2 of the prelab. The last experiment is about series and parallel circuits and the objectives were to determine the total current for both types of circuits, to determine the voltage and current on each resistor for both types of circuits were easily achieved by just following the procedure. Resistors in series and parallel circuits keeping it. Neither circuit can be classified as a simple series circuit or a simple parallel circuit. The series circuit a series circuit or series connected circuit is a circuit having just one current path. Theory in the previous experiment, you constructed 4 circuits, each circuit built with one resistive element.
Well then explore what happens in series and parallel circuits when you combine different types of components, such as capacitors and inductors. Physic lab 5 series and parallel circuits please help me to correct my lab report and write the conclusion abstract. Also if the amperage of the circuit decreases then the resistance of the overall circuit must increase. Investigation of the characteristics of series and parallel circuits components, eg bulbs, may be connected in series or parallel in a circuit. Meaning, voltage across each resistor is the same as the voltage across the parallel combination. Series resonance circuits are one of the most important circuits used electrical and electronic circuits. The presence of branch lines means that there are multiple pathways by which charge can traverse the external circuit. Series and parallel connections the objectives of this lab are.
Parallel resistors experience the same voltage, but generally different currents. Rlc series and parallel circuits lab free class notes online. In this experiment, we could learn the difference between resistors in series and parallel. Which is why a parallel resonance circuit is also called an antiresonance circuit. Part iii currents in series and parallel circuits 1. The resonance of a series rlc circuit occurs when the inductive and capacitive reactance are equal in magnitude but cancel each other because they are 180 degrees apart in phase. How to solve any series and parallel circuit problem duration. Series and parallel capacitor circuits explained and demonstrated without the math. The two ways to connect components in a circuit are in series and in parallel. For part iii of the experiment, you will use two current probes. In this lab, we will understand the very basics of circuit analysis.
Prepare your report as per the guidelines given in appendix iii. Doc ac circuits laboratory report experiment 4 series. Brian lavelle and winston tran abstract the purpose of this lab is to. The currents before and after each resistor add up to the total current. Physic lab 5 series and parallel circuits please h. To observe the net effect of the reactance within the series rlc circuit. University of north carolina at charlotte department of. To compare the differences between a series circuit and a parallel circuit. Parallel circuit discussion series and parallel circuits. They can be found in various forms such as in ac mains filters, noise filters and also in radio and television tuning circuits producing a very selective tuning circuit for the receiving of the different frequency channels. Lab 3 circuits lab report series and parallel circuits shafkat. In a series connection, components are connected end to end, so that current flows first through one, then through the other. 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.
For the parallel circuit, qc is while qc for the series circuit is the general definition for q given by equation 5. Lab report series and parallel circuits electrical resistance and. If you understand what we are doing in this experiment, you will be all set to do well on the midterm questions about circuits. To study current flow, voltage, and resistance in series and parallel circuits. To check the results of connecting series and parallel resistors kcl its a fundamental law that manifestation of the conservation of matter charges, and it. Laboratory in wave motion, electricity, magnetism and optics phys 2240 uploaded by.
The voltage through an rlc series circuit will be measured as a function of frequency for a fixed applied voltage. This physics video tutorial explains how to solve series and parallel circuits. Parallel circuits are set up so that the current has. Series parallel lab report series and parallel circuits. Series and parallel circuits lab report phys 2240 studocu. First, the generation, transmission, distribution, and consumption of electric energy occur under essentially sinusoidal steadystate conditions. Lab, report 2 elee2790u electric circuits uoit studocu.
Phys 102 formal simple dc circuits lab report 21,420 views. To analyze this type of circuit, it should first be simplified reduced to an equivalent resistor, req. And we can see the relationship of the resistances, current and voltage in circuit which related to ohms law. Wires have resistance that depend on wire size, length, and type of material. Tolerance is a percent rating, showing how much the actual resistance could vary from. To show the three equivalent response of a series rlc circuit ii. Ohms law iiiresistors in series and parallel however, all wires that make connections and the connections themselves qualify as series resistance. Now lets try it with resistors in a parallel configuration. In that case, that is the only time you can acquire the resistance value after a slight inconvenient process. Lab report on series and parallel circuit free essays. Ohms law to calculate equivalent resistances of series and parallel circuits.
To study the equivalent resistances of two fundamental connections of resistors resistors in series and in parallel. The voltages across each resistor should add up to v tot in the series circuits, and the voltages should be uniform throughout the parallel circuits. With simple series circuits, all components are connected endtoend to form only one path for the current to flow through the circuit. We measured the current and potential differences across the resistors on each circuit. Current and voltage readings will be displayed in a meter window. The objective of this lab is to study resistances connected in series, parallel, and combination circuits.
Covered in this tutorial what series and parallel circuit configurations look like how passive components act in these configurations. Whenever you have circuits that consist of more than one electronic component, those electronic components must be linked together. Components in an electrical circuit are in series when they are connected one after the other, so that the same current flows through both of them. Not required equipment list qty items part numbers 1 acdc electronics lab em8656 2 d cell 1. Be sure to include all items from the postlab exercise above in your written lab report. In a circuit in parallel, the two resistors are both 51. Introduction parallel and series circuits are able to be reduced to a single, equivalent resistance. The specified practical investigates the differences. After that the student will investigate the voltage and current relationships in a combination seriesparallel circuit. This experiment should show you the difference between resistors in series and parallel. In this experiment, the circuit characteristics of resistors in. Oct 24, 2014 jared explains why bulbs in a parallel circuit are brighter than bulbs in a series circuit. Brian lavelle and winston tran abstract the purpose of this lab is to study the flow of current and potential difference across different points in a circuit composed of resistors in series, parallel or a combination of both.
For part iii of the experiment, you will use two current. Physics experiments capacitors series and parallel youtube. I learned that, in a series circuit, the current remains the. Circuits laboratory experiment 3 ac circuit analysis 3. Where v is voltage, measured in volts v, i is current, measured in amperes a, and r is electrical resistance, measured in ohms. 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 series and parallel circuits february 19, 2016 shafkat salam lab partners.
Resistors in series and parallel individual lab report. Emt 1150 lab professor aparicio carranza electrical circuits. The objective of this laboratory experiment is to analyze a series circuit in respect to its components and characteristics. To accomplish this, we built a series and parallel circuit each containing three resistors. Jan 09, 2017 mr habgood shows you how to measure the total resistance of resistors in series and parallel. To investigate the current flow and voltages in series and parallel circuits. 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. In the first activity, we aimed to know the strong electric current and voltage in series circuit. Basically virtual lab for the two main types of circuit. In the given experiment of a series parallel rlc circuit see figure 1 the.
For each of the three resistor values you are using, note the tolerance rating. This activity will allow you to explore a model circuit and decide whether these light circuits are connected in series or in parallel. We will connect some series circuits and analyze them using. In this experiment, you will construct circuits using multiple resistors. In a parallel circuit, a charge does not pass through every resistor. Conclusion on series and parallel circuits conclusion on. This experiment will have the student investigate the characteristics of parallel circuits. To study the behavior of series and parallel lc circuits at resonance. There are to types of arranging the components in an electric circuit which are parallel and series circuits. Resistors in series and parallel introduction direct current dc circuits are characterized by the quantities current, voltage and resistance. 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. A perfect voltmeter would have infinite resistance draw. Circuits such as these fall into one of two categories.
In this experiment you will examine the difference between series and parallel circuits. Physics 215 experiment 11 series and parallel circuits. The voltage across each resistor depends on the resistor value9. Scribd is the worlds largest social reading and publishing site. 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. This experiment was to determine the actual resistance of 4 series and parallel circuits by using the voltage and current across the circuits and comparing this value with the theoretical calculations of the circuit resistance. There are differences between the function of the two circuits. In figure 1, all of the current flowing from the battery must also flow through the resistors r. To understand the resonance frequency, cutoff frequency, bandwidth and quality factor of a resonance circuit. Investigation of the characteristics of series and. Lab 3 circuits lab report series and parallel circuits. The inverse of the resistance is equal to the inverse of the resistances of each resistor.
The equivalent overall resistance is smaller than the smallest parallel resistor. Investigation of the characteristics of series and parallel. In a series circuit, the parts of the circuit are in a row, one after the other so current flows through them. The total voltage drop in the external circuit is equal to the gain in voltage as a charge passes through the internal circuit. Parallel and series resistor circuit analysis worked example using ohms law reduction doc physics duration. 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. Experiment 10 rlc series circuit resonance in an rlc series circuit objective. This lab is to observe the differences between the current and voltage of the two circuits. Use pspice to simulate and analyze a series parallel rlc circuit at discrete frequencies and over a wide range of frequencies. To practice more complicated construction of circuits. Wrong connecting the voltmeter will yield wrong readings. You will be building circuits similar to the ones you will be working with in homework and exam problems.
Lab report series and parallel circuits electrical. 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. Series and parallel circuit lab report series and parallel. The series circuit a series circuit or seriesconnected circuit is a circuit having just one current path. To experimentally determine the resonance frequency in a series rlc circuit and compare this to the expected resonance value. The impedance of an rlc series circuit at resonance is simply r. To study the properties of series and parallel connection. To determine the impedance of a series rlc circuit used in ac application. Measurements on dc circuits 1 objectives the objective of this experiment is to analyze simple resistive circuits in dc. One difference between parallel and the series resonant circuits is the qc value, which determines the circuit bandwidth or selectivity. The current flow is expected to be uniform throughout the series circuits, but will be stronger through the smaller resistor in the parallel circuits. However, in a parallel circuit, the voltage before and after each resistor is the same. Pdf py2404 lab report series and parallel circuits.
Resistors 3 lightbulbs 1 power supply of 3v 1 voltmeter 1. Notice the voltmeter has leads in the com and v ports and is connected from one side of the resistors to the other side. For a series circuit the total equivalent resistance, r eq, is. Conclusions electrical resistance and conductance resistor. It explains how to calculate the current in amps through each resistor and the voltage in volts across each resistor. Resistive elements are not connected in series or parallel. The most common place you will encounter electric circuits is across them. In a series circuit the resistors are connected endtoend such that the current is the same through each resistor. To measure the current, the ammeter must be placed in the circuit in series. This experiment can also verify the total resistance expressions for each type.
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