Laboratory in wave motion, electricity, magnetism and optics phys 2240 uploaded by. Physic lab 5 series and parallel circuits please help me to correct my lab report and write the conclusion abstract. Suppose you are doing a physics lab that asks you to put a resistor into a circuit, but all the resistors supplied have a larger resistance than the requested value. Ohms law describes the relationship between electric potential, current, and resistance. 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. University of north carolina at charlotte department of. Basically virtual lab for the two main types of circuit. Dual tracking serial and parallel operation both lab outputs can be connected in parallel or in series by means of a switch on the front panel. Provides exceptionally clear illustrations and descriptions, stepbystep examples, over 50 practical applications, over 2,000 challenging practice problems, and comprehensive coverage of necessities. Resistors in series and parallel introduction abstract in this experiment, i used resistors in parallel and in series, and i also calculated the total resistance of an electric circuit. A series circuit containing three resistors is connected to a 12volt battery. A circuit composed solely of components connected in series is known as a series circuit. You may have noticed the differences in electrical circuits you use.
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. Additionally you should now also know how to connect resistances in series and parallel and analyze them using ohms law. In this experiment, you will examine how combinations of. In a series circuit, the current that flows through each of the components is the same, and the voltage across the circuit is the sum of the individual voltage drops across each. View lab report lab 4 from phys 1 at university of texas, dallas. 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. In a parallel circuit, all components are connected across introduction of series, parallel and series parallel connections. Components are in parallel when they are in alternate branches of a circuit. 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. 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. To determine if a circuit is inductive or capacitive. You will be building circuits similar to the ones you will be working with in homework and exam problems.
In total resistance in a series circuit is equal to the sum of the individual resistances. Switch on the power supply and use a dmm to measure the voltage across each resistor and record those values with uncertainty. Circuits consisting of just one battery and one load resistance are very simple to analyze, but they are not often found in practical applications. The double lines between r1 and r2 is a symbol for parallel. Most circuits have more than one component, called a resistor that limits the flow of charge in the circuit. Track the energyunit charge and the current as charge flows through batteries and resistors in series and parallel circuits.
The defining characteristic of a series circuit is that there is only. In series, two resistors have only one point of connection to each other. In this lab, you will gain some experience using two basic electronic instruments. In this lab we also use laws like ohms law and kirchhoffs law to. Lab 3 circuits lab report series and parallel circuits shafkat. The total circuit resistance from point a to c is the series resistor r1 in combination with the parallel components. You should now understand how to connect current and voltage sources, and measure various electrical circuit parameters using the multimeter. Ecet 231 circuit analysis i lab 6 series parallel dc circuits objective. Provided the most widely known circuit analysis for over three decades. The circuit components of simple circuits are con nected in series andor parallel arrangements. Dc circuits analysis laboratory 2011 2012 experiment no. See for the calculation of the overall capacitance of the circuit.
To investigate the current flow and voltages in series and parallel circuits, and also to use ohms law to calculate equivalent resistances of. Use ohms law to calculate the current flowing through each resistor and. Verify your calculations experimentally by measuring i t. Simple circuits ones with only a few components are usually fairly straightforward for beginners to understand. Resistors in series and parallel resistor combinations. Experience series parallel resistors by measurement. 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. Experience seriesparallel resistors by measurement. In a parallel circuit, if one connection is broken, all of the connections stop working. For equipment, each lab station should include a dual adjustable. Lab report series and parallel circuits february 19, 2016 shafkat salam lab partners.
Determine if everyday objects are conductors or insulators, and take measurements with an ammeter and voltmeter. Physic lab 5 series and parallel circuits please h. With simple series circuits, all components are connected endtoend to form only one path for the current to flow through the circuit. The reciprocal of the total resistance equals the sum of the reciprocals of the individual branch resistances. View the circuit as a schematic diagram, or switch to a lifelike view. Introduction there are two primary ways to connect devices in an electrical circuit. Based on the rule for calculating total resistance for resistors arranged both in parallel and in series, what was the total resistance in the circuit. The voltage is the same across each branch of a parallel circuit. Also the resistors r3, r2 and r1 form a parallel combination. The total resistance of a combination of resistors depends on both their individual values and how they are connected. Usually, we find circuits where more than two components are connected together. Again, at first glance this resistor ladder network may seem a complicated task, but as before it is just a combination of series and parallel resistors connected together.
I performed a series of experiments with different configurations of resistors, measuring the voltage and current across each resistor. Resistors in series and parallel introduction direct current dc circuits are characterized by the quantities current, voltage and resistance. Components in a series circuit share the same current. The output values are indicated on the meters of the master unit left side. 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. Series and parallel circuits lab report phys 2240 studocu. The most common place you will encounter electric circuits is across them. The purpose of this lab was to better understand the differences between circuits in series and circuits in parallel.
Gain experience analyzing and verifying, by measurements, the characteristics of series parallel resistive circuits. Learn about the differences between a series circuit and a parallel circuit. R1 and r2 are in parallel and r3 is in series with r1. Here, we have three resistors labeled r 1, r 2, and r 3 connected in a long chain from one terminal of the battery to the other. Introduction of series, parallel and seriesparallel.
Not required equipment list qty items part numbers 1 acdc electronics lab em8656 2 d cell 1. Telling series and parallel circuits apart youtube. The current exits the bottom of the battery splits up to travel through r 3 and r 4, rejoins, then splits up again to travel through r 1 and r 2, then rejoin again to return to the top of the battery. The student will measure the circuit current, the voltages. Capacitors a capacitor is a passive electronic component that stores energy in the form of an electrostatic field. Resistance is a measure of a devices ability to conduct electric current for a given potential difference. In a parallel circuit, the electricity has more than one path through the circuit. A circuit in which the current must take a single path, going through first one component and then the other in series, is shown in figure 11 a. In this tutorial, another association known as the parallel rlc circuit is presented.
Resistors in series and parallel example no2 find the equivalent resistance, r eq for the following resistor combination circuit. To understand the resonance frequency, cutoff frequency, bandwidth and quality factor of a resonance circuit. In this experiment, we could learn the difference between resistors in series and parallel. A measure of this limit on charge flow is called resistance. The effect of a single bulb being removed and the effect of bulbs being added are investigated. In a series circuit, all components are connected endtoend, forming a single path for current flow. One such advance was made by a german physicist named georg simon ohm. But, things can get sticky when other components come to. A series circuit is one in which electricity flows along a single conductor through two or more loads. For example, two components here resistors can be arranged in two different ways, as shown in figure 11. Youve just watched joves introduction to series and parallel resistors. Seriesparallel dc circuits analysis power calculations in a seriesparallel circuit effects of a rheostat in a seriesparallel circuit knowledge check 1. Measure potential difference and current at various places in series and parallel circuits. Lab 3 resistors in series and parallel safety and equipment.
In this experiment you will examine the difference between series and parallel circuits. Lab report on series and parallel circuit free essays. How we design and build circuits also breaks down in to two types of component connections. Brian lavelle and winston tran abstract the purpose of this lab is to. To study the behavior of series and parallel lc circuits at resonance. Start with the lower left hand corner and work clockwise. An introduction to electronics series and parallel networks combining the laws the ordering of the components, and how they are connected, is important in a circuit. Series parallel circuits if we combined a series circuit with a parallel circuit we produce a series parallel circuit. Simple series and parallel circuits lab phet contribution. There are two basic ways in which to connect more than two circuit components. Conclusion on series and parallel circuits conclusion on. This circuit is neither simple series nor simple parallel. Vn in a parallel circuit, devices are connected in. In order to better understand the differences, different circuits were created and different probes differential voltage and current were used to find data for the voltage and current in each circuit.
Proceed directly to step 10 if you have already completed the mydaq mini lab equivalent resistance i series and your breadboard still contains the same resistors that you measured earlier. Verify the characteristics of parallel circuits r t, v r1 v r2, etc b. Increase understanding of the relationship of voltage, current and. The figure below shows a basic circuit which contains a series parallel combination of resistors. Series parallel combination circuits chapter from lessons in electric circuits vol 1 dc free ebook and lessons in electric circuits series.
If the following resistors were replaced with the values indicated. This video gives a complete introduction to circuits. Ee 43100 rc circuits 1 experiment guide for rc circuits i. In this section we look at how to analyse circuits which contain resistors in series and parallel combinations. Rn total voltage in a series circuit is equal to the sum of the individual voltage drops. A resistor left and a short circuited resistor right. In a parallel circuit, all components are connected across introduction of series, parallel and series parallel. 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. The series behavior of the three elementary components of electronics has been detailed in our previous article series rlc circuit analysis. 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. Fill in the current in the eight blank spaces in the view of the same circuit shown again at the left. The sum of the individual branch currents equals the total current in the circuit.
Emt 1150 lab professor aparicio carranza electrical circuits. What resistance in series parallel with the network in figure 2 will result in i t 10ma. The simplest combinations of resistors are the series and parallel connections illustrated in. Resistors in series and parallel introduction abstract in this experiment, i used resistors in parallel and in series, and i.
Lab 4 resistors in series and parallel introduction. The left hand unit is then operating as the master control unit. And we can see the relationship of the resistances, current and voltage in circuit which related to ohms law. The objective of this laboratory experiment is to analyze a series circuit in respect to its components and characteristics. It could be used as a lab or a homework assignment or for remote learning. Lunchbox sessions is a new take on online industrial training, full of interactivity, used by. The three resistors have resistance of 2 ohms, 1 ohm, and 6 ohms respectively. Series and parallel circuits chapter from lessons in electric circuits vol 1 dc free ebook and lessons in electric circuits series. A more complex example of a series parallel resistor circuit is shown below. Introduction to electric circuits 686 laying the foundation in physics 30 introduction to electric circuits discovering simple, series, and parallel circuits this activity will allow you to explore circuits with a battery, wires, light bulbs, and a voltmeter. Now lets try it with resistors in a parallel configuration. Build circuits with batteries, resistors, light bulbs, fuses, and switches.
Series and parallel resistors when resistors are connected in series as shown in fig. Lab 3 dc circuits and ohms law introduction during the nineteenth century so many advances were made in understanding the electrical nature of matter that it has been called the age of electricity. Proceed directly to step 10 if you have already completed the mydaq minilab equivalent resistance i series and your breadboard still contains the same resistors that you measured earlier. What this value for resistance equal to, greater than, or less than the resistance calculated based on the emf of the power supply. 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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