To study current flow, voltage, and resistance in series and parallel circuits. Series parallel lab report series and parallel circuits. In this experiment it was expected of the experimenter to have a basic knowledge of. Wires add series resistance to circuits, just as good and bad connections add also.
Not required equipment list qty items part numbers 1 acdc electronics lab em8656 2 d cell 1. Lab report series and parallel circuits electrical. And we can see the relationship of the resistances, current and voltage in circuit which related to ohms law. In this experiment, the circuit characteristics of resistors in. Parallel and series resistor circuit analysis worked example using ohms law reduction doc physics duration. At other nodes specifically the threeway junction between r 2, r 3, and r 4 the main blue current splits into two different ones. Simple circuits such as resistive elements connected in. Well then explore what happens in series and parallel circuits when you combine different types of components, such as capacitors and inductors. To investigate the circuits to tell whether the resistors are in parallel or in series also to determine the internal resistance of a 1. Lab 3 circuits lab report series and parallel circuits shafkat.
The results from the series experiment show that, as per ohms law, the voltage across each resistor is directly proportional to the respective resistance. Series parallel resonance circuit linkedin slideshare. In the first part of this experiment we will study the properties. To use ohms law to calculate equivalent resistance of series and parallel circuits. Where series components all have equal currents running through them, parallel components all have the same voltage drop across them series. What resistance in series parallel with the network in figure 2 will result in i t 10ma. Calculate i 1, i 2, i 3 and vo for the circuit shown in figure 1 for f 1khz and f 10khz. To study the behavior of series and parallel lc circuits at resonance. The circuits will be wired up on the pasco circuit board. The presence of branch lines means that there are multiple pathways by which charge can traverse the external circuit. This experiment is an introduction to the wiring of simple electrical circuits, the use of ammeters and voltmeters, series and parallel circuits, and rc circuits. Adjust the power supply until the potential difference across the resistors is 1. Experiment 4b series parallel circuits lab report phys.
Physic lab 5 series and parallel circuits please help me to correct my lab report and write the conclusion abstract. In this experiment, you will construct circuits using multiple resistors. Measurements on dc circuits 1 objectives the objective of this experiment is to analyze simple resistive circuits in dc. 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. Click to order your paper objective to construct and observe the operation of series and parallel resonant circuits theory overview a resonant circuit which is in series consists of a capacitor, a resistor and an indicator connected in a loop. The purpose of the lab is to find the equivalent resistance for components in an electrical circuit in series and parallel. Two resistors in series a circuit having two resistors r1 and r2 in series is indicated below. Basically virtual lab for the two main types of circuit. If you understand what we are doing in this experiment, you will be all set to do well on the midterm questions about circuits. Use pspice to determine i 1, i 2, i 3, and vo in figure 1 at f 1khz and f 10khz.
Before moving on to the voltage of resistors in series experiment, consider the following situation and answer the questions with your partner number 2 is the same as in checkpoint. Wires have resistance that depend on wire size, length, and type of material. Series and parallel resistors are a key component to most circuits and influence how electricity is used in most applications. Conclusion on series and parallel circuits conclusion on.
There are two types of circuits namely, series and parallel. Essay, 6 pages the aim of this experiment was to understand the relationship between the variables of ohms law and how they are part of an operation of an electric circuit. Compare measured and calculated voltages and current for a series parallel rlc circuit at discrete frequencies. University of north carolina at charlotte department of.
With simple series circuits, all components are connected endtoend to form only one path for the current to flow through the circuit 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 from one end of the battery to the other rules regarding series and parallel circuits. Brian lavelle and winston tran abstract the purpose of this lab is to. The current flow is expected to be uniform throughout the series circuits, but will be stronger through the smaller resistor in the parallel circuits. Ohms law iiiresistors in series and parallel however, all wires that make connections and the connections themselves qualify as series resistance.
After that the student will investigate the voltage and current relationships in a combination seriesparallel circuit. S eries p arallel c ircuits i ntroduction in this experiment, we reduce series parallel circuits to an equivalent resistance. Nov 27, 2014 construct circuits and use ammeters and voltmeters to measure resistance in series and parallel circuits. Thats the key difference between series and parallel series circuits defined. Rlc series and parallel circuits lab free class notes. Note, currents are measured indirectly by measuring the voltage across an. Verify your calculations experimentally by measuring i t. We will observe the effect of varying resistance on current while keeping voltage constant.
Lab report on series and parallel circuit free essays. 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. Rc circuits 2 two circuit elements are in series if all of the current flowing through one also flows through the other. 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 experiment time part 3, continued. You will apply various voltages across the resistor or circuit using a power supply, and measure the current i through the resistor and the voltage.
To practice more complicated construction of circuits. Parallel resistors part 1 parallel resistors part 2. Physic lab 5 series and parallel circuits please h. Investigation of the characteristics of series and. If one bulb burns out in a series circuit, the entire circuit is broken. To determine if a circuit is inductive or capacitive. We then use ohms law to find the resistance by dividing the measured voltage by the. Construct the circuit shown in figure 1 and measure i 1, i 2, i 3 and vo. Two components are in series if they share a common node and if the same. 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. Simple series and parallel circuits the definitions of series and parallel circuits will be given in this lab. With these two derived resistor relationships, we can nd all the properties of any circuit containing resistors in series or parallel or any combination of the two.
Series and parallel circuits lab report phys 2240 studocu. Emt 1150 lab professor aparicio carranza electrical circuits. In this portion of the lab, we will be studying circuits containing resistors in series and in parallel. This experiment will have the student investigate the characteristics of parallel circuits. Equation 7 gives the e ective resistance for resistors in parallel. Lab report series and parallel circuits february 19, 2016 shafkat salam lab partners. Each charge passing through the loop of the external circuit will pass through a single resistor present in a single branch. In this lab, my objective was to understand the relationships between resistance, potential. Laboratory in wave motion, electricity, magnetism and optics phys 2240 uploaded by. The aim of this experiment was to understand the relationship between the variables of ohms law and how they are part of an operation of an electric circuit.
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. The objective of this lab is to study circuits with resistors connected in series, parallel, and combination. With simple series circuits, all components are connected endtoend to form only one path for the current to flow through the circuit 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 from one end of the battery to the other. To observe resistance, current, and voltage relationships in series and parallel combinations. Our mission is to provide a free, worldclass education to anyone, anywhere. In circuit b we have resistors r 1 and r 2 combined to get. Verify the characteristics of parallel circuits r t, v r1 v r2, etc b.
Construct circuits and use ammeters and voltmeters to measure resistance in series and parallel circuits. The most common place you will encounter electric circuits is across them. In a series circuit, the parts of the circuit are in a row, one after the other so current flows through them. Seriesparallel circuits seriesparallel circuits can be more complex as in this case. Rc circuits and the oscilloscope mercer university. The objective of this experiment is to use ohms law to determine the resistance of several individual resistors and the equivalent resistance of series and parallel combinations. Feb 22, 2015 phys 102 formal simple dc circuits lab report 1. Series and parallel inductors resources and going further. The objective of this lab is to study resistances connected in series, parallel, and combination circuits. 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. We will also analyze the current in a series circuit and the effect of varying voltage on current. Please help me to correct my lab report and write the conclusion abstract. Physics 215 experiment 11 series and parallel circuits 45 5. We will connect some series circuits and analyze them using multisim as well on hardware.
In a series circuit, every device must function for the circuit to be complete. To understand the resonance frequency, cutoff frequency, bandwidth and quality factor of a resonance circuit. Investigation of the characteristics of series and parallel. Parallel circuits are set up so that the current has an independent path to take through each piece. In parallel circuits, each light bulb has its own circuit, so all but one light could be burned out, and the last one will still function. In this lab, we will understand the very basics of circuit analysis. Science 14 lab 3 dc circuits dartmouth college home. Parallel circuit is a circuit wherein each device is placed in its own separate branch. In this experiment, we could learn the difference between resistors in series and parallel. You will be building circuits similar to the ones you will be working with in homework and exam problems. At some frequency the inductive and capacitive reactances magnitudes becomes equal. Circuits such as these fall into one of two categories. Erin phlegar and stephen few physics 102l, section. In figure 2, the current flowing through r 4 does not flow through r 5 and vice.
For holiday lights, this means one bulb can burn out and not affect the rest of the circuit. Series and parallel circuits objectives to study current flow and voltages in series and parallel circuits. 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. Apr 10, 2019 in parallel rlc circuits the voltage in two branches of circuit is same but current divides, therefore resonant frequency is given by the equation. The objective of this laboratory experiment is to analyze a series circuit in respect to its components and characteristics. Phys 2240section 516 lab 4b report anagha krishnan l ab r eport 4b. Series and parallel circuits adam capriola and ben york experiment performed. Prepare your report as per the guidelines given in appendix iii. In figure 1, all of the current flowing from the battery must also flow through the resistors r 1 and r 2. Theory in the previous experiment, you constructed 4 circuits, each circuit built with one resistive element. The equivalent overall resistance is smaller than the smallest parallel resistor. 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. To investigate the current flow and voltages in series and parallel circuits, and also to use ohms law to calculate equivalent resistances of. Use pspice to simulate and analyze a series parallel rlc circuit at discrete frequencies and over a wide range of frequencies.
This activity will allow you to explore a model circuit and decide whether these light circuits are connected in series or in parallel. May 07, 2016 parallel and series resistor circuit analysis worked example using ohms law reduction doc physics duration. If two resistors are in series, then same current i flow. This experiment demonstrates how current is distributed in resistors connected in series or parallel, and thus describes how to calculate the total effective resistance. Notice that in some nodes like between r 1 and r 2 the current is the same going in as at is coming out. Resistors are in parallel if their terminals are connected to the same two nodes. We then confirm that resistance experimentally by measuring the total current and the total voltage. In parallel rlc circuits the voltage in two branches of circuit is same but current divides, therefore resonant frequency is given by the equation. 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. To study the equivalent resistances of two fundamental connections of resistors resistors in series and in parallel. Circuits in the first category can be analyzed using the concept of. To study the properties of series and parallel connection. What do you notice about the relationship between the three voltage readings v 1, v 2, and v tot in parallel circuits.