After that the student will investigate the voltage and current relationships in a combination seriesparallel circuit. Lesson focus demonstrate and discuss simple circuits and the differences between parallel and serial circuit design and functions. The characteristics of a parallel circuit sciencing. 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 this experiment you will examine the difference between series and parallel circuits. Resonance circuit introduction thus far we have studied a circuit involving a 1 series resistor r and capacitor c circuit as well as a 2 series resistor r and inductor l circuit. Either 1 reduce x l by decreasing l or 2 cancel x l by increasing x c decrease c. This experiment will be used to examine the sinusoidal frequency response of the series and parallel to see at what. The inductor is based on the principle of inductance that moving charges create a magnetic eld the reverse is also true a moving magnetic eld creates an electric eld. Jun 26, 2016 this video is about studying resonance in rlc series and parallel circuits. For the parallel resonant circuit the three different definitions are. Ac circuits rlc circuit introduction an inductor l is an important component of circuits, on the same level as resistors r and the capacitors c. Background in a series circuit, devices are connected in such a way. The circuit should reach steady state very quickly, in much less than one second.
For the parallel circuit, qc is while qc for the series circuit is the general definition for q given by equation 5. The schematic diagram of the above circuit showing the electronic symbols for the battery, and bulbs is shown below. As a single, lumped element, inductors find many uses. Phys 1402 general physics ii experiment 4 series and parallel. Pdf series and parallel circuit afiq agung academia. Circuits laboratory experiment 3 ac circuit analysis.
Measurements on dc circuits 1 objectives the objective of this experiment is to analyze simple resistive circuits in dc. Also if the amperage of the circuit decreases then the resistance of the overall circuit must increase. The effective impedance of the circuit is nothing more than r, and the current drawn from the source is in phase with the voltage. Measure the resistances using the ohmmeter and make sure the values agree with the color code. How to solve diode circuit problems in series and parallel. Experiment 6 rl circuits unlike series rl circuits, the impedance angle in parallel rl circuits is not solved in a straightforward manner. However, a parallel rl circuit can still be characterized as resistive or inductive. Figure 52 seriesparallel circuit for part 2 of the prelab. Investigation of the characteristics of series and parallel. Experiment build a series circuit and a parallel circuit using the materials listed before as shown in the figure. To experimentally determine the resonance frequency in a series rlc circuit and compare this to the expected resonance value. For a parallel circuit, the total equivalent resistance, r eq, is.
This experiment will be used to examine the sinusoidal frequency response of the series and parallel to see at what frequency the current through an rlc series becomes or the voltage across a parallel rlc circuit reaches maximum value. The series circuit a series circuit or seriesconnected circuit is a circuit having just one current path. The circuits will be wired up on the pasco circuit board. The most common place you will encounter electric circuits is across them. Mini anchor charts electrical circuits anchor chart use these mini anchor charts to help teach science tek this visual will help your students remember the difference between an open circuit, close circuit, series circuit, and parallel circuit. For the voltagedriven, parallel network in this experiment, the break frequencies. First, the generation, transmission, distribution, and consumption of electric energy occur under essentially sinusoidal steadystate conditions. Using 12 switches, different connections between a resistor. At resonance there will be a large circulating current between the inductor and the capacitor due to the energy of the oscillations. This activity will allow you to explore a model circuit and decide whether these light circuits are connected in series or in parallel. Because these experiments pertaining to the electrical circuit is a series circuit and parallel circuit.
These include as buffers on large transmission lines to reduce energy surges, on a smaller scale. The frequency at which the current is in phase with the voltage. Investigation of the characteristics of series and. The student will measure the circuit current, the voltages. In circuit b we have resistors r 1 and r 2 combined to get. The vertical axis of both graphs has current scaled from 0. Series and parallel circuits differ in function and have different methods for calculating quantities such as resistance, current, voltage, conductance and inductance. Resistive elements are not connected in series or parallel. Connect r1, r2 and r3 in parallel to a 6volt battery as shown in figure 1b.
This is because there are only two sets of electrically common points in a parallel circuit, and voltage measured between sets of common points must always be the same at any given time. Seriesparallel circuits seriesparallel circuits can be more complex as in this case. In both cases, it was simpler for the actual experiment to replace the battery and switch with a signal generator producing a square wave. With simple series circuits, all components are connected endtoend to form only one path for electrons to flow through the circuit. Series and parallel circuits lab report phys 2240 studocu. This electronics video tutorial explains how to solve diode circuit problems that are connected in series and parallel. Also, compute and record the percent deviation between experimental and theory in table 1. For a parallel circuit the total equivalent resistance req in a circuit is given by. To study the properties of series and parallel connection. 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. Insert the ammeter at the appropriate points in the parallel circuit and mea.
Circuits laboratory experiment 3 ac circuit analysis 3. The flow of electricity is caused by excess electrons on the negative end of. Well then explore what happens in series and parallel circuits when you combine different types of components, such as capacitors and inductors. In a parallel rlc circuit containing a resistor, an inductor and a capacitor the circuit current i s is the phasor sum made up of three components, i r, i l and i c with the supply voltage common to all three. 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 and voltmeters, series and parallel circuits, and rc circuits. Parallel resonance and parallel rlc resonant circuit. Each arrangement provides a different way for electricity to flow through a circuit. Resistors in series and parallel circuits frederiksen. Capacitors a capacitor is a passive electronic component that stores energy in the form of an electrostatic field. Since the supply voltage is common to all three components it is used as the horizontal reference when. Series and parallel circuits science fair, science. This experiment is very important to do then understood.
If the following resistors were replaced with the values indicated. Exploring ohms law in parallel and series circuits parallel circuit step 2 recording the voltage between pointsb andc v 2,d 3 and between a and d v t. For part iii of the experiment, you will use two current probes. Before starting the first experiment, lets learn about some of the basic electronic components. You will be building circuits similar to the ones you will be working with in homework and exam problems. What are series and parallel circuits series and parallel arrangements in circuits describes two different types of circuit arrangements. University of north carolina at charlotte department of.
This laboratory is about studying resonance in rlc series and parallel circuits. Ohms law iiiresistors in series and parallel v rrr 2 1 2 3 e v 1 v 3 v t i 1 i i t 2 i 3 figure 1. 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. Not required equipment list qty items part numbers 1 acdc electronics lab em8656 2 d cell 1. This can be verified using the simulator by creating the above mentioned parallel lcr circuit and by measuring the current and voltage across the inductor, capacitor and resistor. For seriesparallel circuits, the circuit can be treated as a series and a parallel circuit. Three resistors r1, r2, and r3 connected in series. The first principle to understand about parallel circuits is that the voltage is equal across all components in the circuit.
Pdf this paper presents the remote experiment serial and parallel rlc circuit. This paper presents the remote experiment serial and parallel rlc circuit. 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. Circuits laboratory experiment 5 circuits containing inductance 5. Again, pick two resistors from your parts box in the 10,000w range.
The voltage through an rlc series circuit will be measured as a function of frequency for a fixed applied voltage. This video is about studying resonance in rlc series and parallel circuits. To compare the differences between a series circuit and a parallel circuit. Is the equivalent resistance, r eq, of a series circuit greater than or less than any individual resistor. Connect the resistors in parallel and measure the total resistance and see that this resistance agrees with what you.
Physics 215 experiment 11 series and parallel circuits. To increase the rate at which power is delivered to the resistive load, which option should be taken. 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. Practical capacitor values usually lie in the picofarad 1 pf 1012 f to microfarad 1 f 106 f range.
A parallel circuit containing a resistance, r, an inductance, l and a capacitance, c will produce a parallel resonance also called antiresonance circuit when the resultant current through the parallel combination is in phase with the supply voltage. Experiment 10 rlc series circuit resonance in an rlc series circuit objective. Using a voltmeter, measure the potential difference across each of the resistors and the battery. This is because the impedance angle is based on the ratio between the branch currents. Parallel rlc circuit and rlc parallel circuit analysis. Covered in this tutorial what series and parallel circuit configurations look like how passive components act in these configurations. In figure 1, all of the current flowing from the battery must also flow through the resistors r 1. 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. This experiment will have the student investigate the characteristics of parallel circuits.
With simple parallel circuits, all components are connected between the same two sets of. These quantities are closely related and are current, voltage potential difference and resistance. In this experiment, the circuit characteristics of resistors in series and parallel will be investigated. Record voltage between a and b v 1, c and d v 2, e and f v 3. Rc circuits 2 two circuit elements are in series if all of the current flowing through one also flows through the other. In general, the complex impedance is defined as follows. The voltage drop across the battery vt will be the total sum of the individual drops across each of the 3 resistors, and. The objective of this lab is to study circuits with re sistors connected in series, parallel, and combination. Part iii currents in series and parallel circuits 1. This activity will allow you to explore a model circuit and decide whether these light circuits are. Phys 1402 general physics ii experiment 4 series and. Series and parallel circuits provided by tryengineering. Power calculations in a seriesparallel circuit effects of a rheostat in a seriesparallel circuit knowledge check 1.
To analyze this type of circuit, it should first be simplified reduced to an equivalent resistor, req. Laboratory in wave motion, electricity, magnetism and optics phys 2240 uploaded by. In parallel circuits current can take more the one path. Use a voltmeter, an ameter to measure the voltage across parts of the series and parallel circuits and an ameter to measure the current through the circuits. Record the experimental inductor voltage in table 1. Series and parallel inductors resources and going further. A particular circuit will first be analyzed theoretically and then. Conclusion on series and parallel circuits conclusion on. For each of the three resistor values you are using, note the tolerance rating. Using 12 switches, different connections between a resistor, an inductor and a capacitor, can be made. Tolerance is a percent rating, showing how much the actual resistance could vary from. Page series and parallel circuits 1 of 8 developed by ieee as part of tryengineering.
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