Rc circuits 2 two circuit elements are in series if all of the current flowing through one also flows through the other. Series and parallel circuits objectives to study current flow and voltages in series and parallel circuits. In this experiment, you will construct circuits using multiple resistors. Therefore, all of the components in a series connection carry the same current. Note in that opposite charges of magnitude flow to either side of the originally uncharged combination of capacitors when the voltage is applied. 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. 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.
Capacitance in series a shows a series connection of three capacitors with a voltage applied. Parallel circuits are set up so that the current has an independent path to take through each piece. Series circuits are sometimes referred to as currentcoupled or daisy chaincoupled. The objective of this lab is to study circuits with resistors connected in series, parallel, and combination. The current in a series circuit goes through every component in the circuit. 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. Kids experiments with electrical circuits sciencing. To compare the differences between a series circuit and a parallel circuit. The reason behind is that any charge that flows through r1. Conclusion on series and parallel circuits conclusion on. But, things can get sticky when other components come to the party. The objective of this lab is to study circuits with re sistors connected in series, parallel, and combination. After that the student will investigate the voltage and current relationships in a combination seriesparallel. For this experiment, you will need two light bulb holders and two light bulbs, one dcell battery and battery holder, six pieces of insulated wire about 25 to 30 centimeters long and a science journal.
For part iii of the experiment, you will use two current probes. When a light bulb is removed in your home, the other lights stay on. The major difference is that the series circuits have the same amount of current flow through all the components placed in it. You can monitor these circuits using a current probe and a differential voltage probe and see how they operate. However, they will now learn more detail about how the circuits function. Seriesparallel circuits are reduced to an equivalent resistance and that resistance is verified by measuring the total current and total voltage. Components are in parallel when they are in alternate branches of a circuit. To study the equivalent resistances of two fundamental connections of resistors resistors in series and in parallel. Parallel circuits series and parallel circuits siyavula. You may have noticed the differences in electrical circuits you use. View the circuit as a schematic diagram, or switch to a lifelike view. This experiment demonstrates how current is distributed in resistors connected in series or parallel, and thus describes how to calculate the total effective resistance. You will become familiar with the mb board and learn how to build simple dc circuits. Whenever you have circuits that consist of more than one electronic component, those electronic components must be linked together.
One goal of this experiment is to study circuits made up of two resistors in series or parallel. 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. The two ways to connect components in a circuit are in series and in parallel. Resistive elements are not connected in series or parallel. With simple series circuits, all components are connected endtoend to form only one path for the current to flow through the circuit. And we can see the relationship of the resistances, current and voltage in circuit which related to ohms law. Now lets try it with resistors in a parallel configuration.
Measure potential difference and current at various places in series and parallel circuits. In this experiment, we could learn the difference between resistors in series and parallel. We see the resistors r 1 and r 2 are connected in series. To study the properties of series and parallel connection. Consider finding the equivalent resistance of the network shown below. Students will follow a series of questions that will allow them to create and identify series and parallel. Students will become familiar with the use of wirestrippers, fahnstock clips, battery holders and bulb holders. Parallel and series circuits austin glass lab partner lizzy ainsworth 922 abstract voltage, current, and resistance can be measured in an electrical circuit, and the behaviors of those measurements can vary based on how the circuit is set up in series or in parallel.
Disconnect the voltage probe and, into the same channel, connect a second current probe. What are series circuits electricity science for kids duration. This will introduce you to series and parallel circuits equipment list. Series and parallel circuits lab report phys 2240 studocu. The resistance was first found for each resistor and the ammeter. To practice more complicated construction of circuits.
To analyze this type of circuit, it should first be simplified reduced to an equivalent resistor, req. Parallel circuits are set up so that the current has an. Difference between series and parallel circuits with its. You can then use ohms law to determine the equivalent resistance. Track the energyunit charge and the current as charge flows through batteries and resistors in series and parallel circuits. In this experiment you will examine the difference between series and parallel circuits. Dc circuits analysis laboratory 2011 2012 experiment no. Physic lab 5 series and parallel circuits please h. Series circuits series and parallel circuits siyavula. The components that are a part of the parallel circuits will have a constant voltage across all ends. Theory in the previous experiment, you constructed 4 circuits, each circuit built with one resistive element. A combined network is any combination of series and parallel circuits wired together. The specified practical investigates the differences between the two types of circuits by observing the brightness of the.
Engineering technology simulation learning videos 290,9. To study the behavior of series and parallel lc circuits at resonance. Also, the behavior of lamps in series, parallel, and seriesparallel is qualitatively examined. We will look at the difference between these two setups in circuits, specifically looking at the effects of adding resistors in series or in parallel and observing the change in brightness of bulbs. The equivalent overall resistance is smaller than the smallest parallel resistor. You will be building circuits similar to the ones you will be working with in homework and exam problems. Resistors are in parallel if their terminals are connected to the same two nodes. Compare the current you found flowing through the resistors when connected a series b parallel based on the experiment the current gathered in each resistors are constant. 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 electrically common points, creating multiple paths for the current to flow. Build circuits with batteries, resistors, light bulbs, fuses, and switches. What do you notice about the relationship between the three voltage readings v 1, v 2, and v tot in parallel circuits.
Switching our attention to series lc circuits, see the figure below we experiment with placing significant resistances in parallel with either l or c. Required practical investigating series and parallel. Physic lab 5 series and parallel circuits please help me to correct my lab report and write the conclusion abstract. Learners have already been introduced to series and parallel circuits in grade 8. We will now examine the concept of series and parallel circuits. To measure the current, the ammeter must be placed in the circuit in series. Circuits laboratory experiment 3 ac circuit analysis.
To use ohms law to calculate equivalent resistance of series and parallel circuits. Where v is voltage, measured in volts v, i is current, measured in amperes a, and r is electrical resistance, measured in ohms. 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. 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. Series and parallel circuits mcgrew danielle partner. A set of components in this experiment you will use a magnetic board that allows making interconnections. Basically virtual lab for the two main types of circuit. To determine if a circuit is inductive or capacitive. The outcomes of this experiment are the same using filament lamps, or combinations of resistors and lamps, as the lamps act as. The purpose of this experiment is to understand the relationships of circuits with resistors connected in series, parallel, and combination. Components, eg bulbs, may be connected in series or parallel in a circuit.
Series and parallel circuits conduct electricity but do so in two different ways. Up until now, we have only been looking at simple circuits. In a series circuit, the parts of the circuit are in a row, one after the other so current flows through them. To understand the resonance frequency, cutoff frequency, bandwidth and quality factor of a resonance circuit. Students will experiment with batteries, bulbs, and wire so as to understand the idea of a simple circuit. Simple circuits ones with only a few components are usually fairly straightforward for beginners to understand. This activity will allow you to explore a model circuit and decide whether these light circuits are connected in series or in parallel.
But, things can get sticky when other components come to. Investigation of the characteristics of series and. Determine if everyday objects are conductors or insulators, and take measurements with an ammeter and voltmeter. Required practical investigating series and parallel circuits. Series parallel circuits college lab experiments pasco. Physics 215 experiment 11 series and parallel circuits. Lab 3 parallel and series circuits phys 163 slu studocu. Module 7 build an electric circuit introduction in your reading sections 7. Its properties are a synthesis of both the series and parallel circuits. In a series connection, components are connected end to end, so that current flows first through one, then through the other. The purpose of the lab is to find the equivalent resistance for components in an electrical circuit in series and parallel. As for any capacitor, the capacitance of the combination is related to charge and voltage by. Parallel resistors experience the same voltage, but generally different currents.
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