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# Topic: Series and parallel circuits

 What are "series" and "parallel" circuits? : SERIES AND PARALLEL CIRCUITS Circuits consisting of just one battery and one load resistance are very simple to analyze, but they are not often found in practical applications. In this circuit, we have two loops for electrons to flow through: one from 6 to 5 to 2 to 1 and back to 6 again, and another from 6 to 5 to 4 to 3 to 2 to 1 and back to 6 again. A "branch" in a parallel circuit is a path for electric current formed by one of the load components (such as a resistor). www.allaboutcircuits.com /vol_1/chpt_5/1.html   (610 words)

 Exploring Series and Parallel Circuits To explain and compare the effects of series and parallel circuits on bulb brightness, relating the phenomena to the potential differences, current, and resistances throughout the respective circuits. When more than one bulb is introduced into a circuit, the possible arrangements include both series and parallel circuits as well as various combinations of the two. Use larger scaled series and parallel circuits with larger light bulbs as part of a demonstration to help develop the concepts. www.iit.edu /~smile/ph9113.html   (703 words)

 Understandings of Consequence > Curriculum Modules > Simple Circuits > Lesson 5 > Background Information Series and parallel circuits are some of the most commonly taught concepts in units on electrical circuits. In the case of a series circuit with two bulbs, each bulb is directly connected to one node of the battery, but not the other node; the pathway from the bulb to the second node has to go through the other bulb. Parallel circuits characteristically have branches or splits in the circuit, and are sometimes difficult to identify, because the bulbs may seem to be connected to each other in a series-like way with wires. pzweb.harvard.edu /ucp/curriculum/circuits/s5_background.htm   (1164 words)

 Series and Parallel Circuits Two pipes in parallel can be replaced by one. Circuit at the left is the same as the one The charge on capacitors in series is the same. sol.sci.uop.edu /~jfalward/seriesparallelcircuits/seriesparallelcircuits.html   (211 words)

 Electricity/Magnetism 4B3 A series circuit is an electrical circuit in which the electricity flows from the source through each appliance and returns to the source. A parallel circuit is an electrical circuit in which the electricity flows from the source through each appliance and returns to the source, but more than one path is available for the flow of electricity. Parallel circuits are used in street lamps so that when one bulb burns out, the others remain lit. www.utm.edu /departments/cece/old_site/fourth/4B3.shtml   (761 words)

 Combination Circuits When all the devices in a circuit are connected by series connections, then the circuit is referred to as a series circuit. A third type of circuit involves the dual use of series and parallel connections in a circuit; such circuits are referred to as compound circuits or combination circuits. When analyzing combination circuits, it is critically important to have a solid understanding of the concepts which pertain to both series circuits and parallel circuits. www.glenbrook.k12.il.us /gbssci/phys/CLass/circuits/u9l4e.html   (2085 words)

 engagement_DOGS.htm A simple circuit consists of three elements: a source of electricity (battery), a path or conductor on which electricity flows (wire) and an electrical resistor (lamp) which is any device that requires electricity to operate. In a series circuit, the resistance in the circuit equals the total resistance of all the bulbs. In a parallel circuit, there are multiple paths through which current can flow, so the resistance of the overall circuit is lower than it would be if only one path was available. www.mtsu.edu /~pdlee/hhocks_explain.htm   (827 words)

 "Characteristics of Series and Parallel Circuits and Overloading of Parallel Circuits"   (Site not responding. Last check: ) The current passing through the circuit is resisted by the resistance of the first device, the resistance of the second, and the resistance of the third. The current in the circuit is numerically equal to the voltage supplied by the source dived by the total resistance of the circuit. For instance, in circuit F, the resistance of device 1 is 2, the resistance of device 2 is 4, the resistance of device 3 is 3, and the resistance of device 4 is 2. home.inu.net /davidstua/series_and_parallell_circuits.htm   (1012 words)

 Series Circuits - Parallel Circuits   (Site not responding. Last check: ) A parallel circuit is a circuit in which there are at least two independent paths in the circuit to get back to the source. When a second 60 watt bulb is added to the circuit in parallel with the first bulb, it is connected so that there is a path to flow through to the first bulb or a path to flow through to the second bulb. One special concern in parallel circuits is that the amperage from the source increases each time another load is added to the circuit in parallel. elpaso.apogee.net /foe/fcspp.asp   (307 words)

 Series and Parallel Circuits A series circuit is a circuit in which resistors are arranged in a chain, so the current has only one path to take. A parallel circuit is a circuit in which the resistors are arranged with their heads connected together, and their tails connected together. Generally, the total resistance in a circuit like this is found by reducing the different series and parallel combinations step-by-step to end up with a single equivalent resistance for the circuit. physics.bu.edu /py106/notes/Circuits.html   (705 words)

 Lessons In Electric Circuits -- Volume I (DC) - Chapter 5 This is the third principle of series circuits: that the supply voltage is equal to the sum of the individual voltage drops. In the series circuit, where the total resistance was the sum of the individual resistances, the total was bound to be greater than any one of the resistors individually. Back to our parallel circuit example, we should be able to see that multiple paths (branches) for current reduces total resistance for the whole circuit, as electrons are able to flow easier through the whole network of multiple branches than through any one of those branch resistances alone. www.ibiblio.org /obp/electricCircuits/DC/DC_5.html   (7648 words)

 Parallel Circuits | World of Physics When resistors are connected in series, all the current flowing through one resistor also flows through each of the other resistors and the total resistance of the circuit is the sum of the individual resistances of the resistors. These laws can be illustrated by applying them to a parallel circuit, such as a simple one consisting of two resistors, R and R. Since there are two junctions in the circuit, the current is not the same everywhere in the circuit. For the overall circuit, this yields: emf = R I = R I. The total resistance of a series circuit is equal to the sum of the resistance of each of the circuit elements. www.bookrags.com /research/parallel-circuits-wop   (551 words)

 "Characteristics of Series and Parallel Circuits and Overloading of Parallel Circuits"   (Site not responding. Last check: ) The current passing through the circuit is resisted by the resistance of the first device, the resistance of the second, and the resistance of the third. The current in the circuit is numerically equal to the voltage supplied by the source dived by the total resistance of the circuit. For instance, in circuit F, the resistance of device 1 is 2, the resistance of device 2 is 4, the resistance of device 3 is 3, and the resistance of device 4 is 2. www.inu.net /davidstua/series_and_parallell_circuits.htm   (1012 words)

 Basic Electricity   (Site not responding. Last check: ) All circuits ranging from household appliances to cars use series or parallel circuits or a combination of the two. Series Circuit -- Series circuits involve electricity flowing through the circuit from one thing to the next in a series. Parallel Circuit -- Parallel circuits are circuits with many branches which actually creates "seperate circuits" where electricity flows through each branch. www.outlawnet.com /~oclass/electricity/circuits.htm   (393 words)

 Shocking Truth - Circuits A circuit has three basic parts: (1) a source, such as a battery, (2) an output device, such as a motor or light bulb, and (3) a connection, such as a wire, between the source and the output device. An advantage of a series circuit is that you can add more power devices, such as more batteries, and increase the force of the output. But in parallel circuits increasing the number of output devices does not increase the resistance the way it does in series circuits. library.thinkquest.org /6064/circuit.html   (933 words)

 BBC - GCSE Bitesize - Physics | Electricity and magnetism | Series and parallel circuits Series circuits - the current goes in one loop only - battery - lamp(s) - battery Parallel circuits - the current splits into more than one direction Here are some examples of series and parallel circuits. www.bbc.co.uk /schools/gcsebitesize/physics/electricity/circuitsandammetersrev3.shtml   (83 words)

 Series and Parallel Circuits Resistors in series: The series combination of two resistors acts, as far as the voltage source is concerned, as a single resistor having a value equal to the sum of the two resistances. This result is the first of several equivalent circuit ideas: In many cases, a complicated circuit when viewed from its terminals (the two places to which you might attach a source) appears to be a single circuit element (at best) or a simple combination of elements at worst. Thus, the equivalent circuit for a series combination of resistors is a single resistor having a resistance equal to the sum of its component resistances. cnx.org /content/m10674/latest   (1825 words)

 Powercore Thermoplastic welding tool - Parallel and Series Circuits There are two main differences between series and parallel circuits; total voltage, and total current. Series circuits have higher voltage lower current, and parallel circuits have higher current with lower voltage. In a series loop circuit, the ends of the Powercore must be placed 1/16" (2mm) apart to prevent shorting. www.powercore.com /tech_circuits.htm   (228 words)

 Comparing Series and Parallel Circuits A parallel circuit (figure in the procedure), form branches, each of which is a separate path for the flow of electrons. In a series circuit, when one of the bulbs or one of the wires is left open or is broken, the entire circuit ceases. A parallel circuit is designed so that if one branch is defective, the flow of electricity will not be broken to the other branches. www.msnucleus.org /membership/html/k-6/as/technology/3/ast3_2a.html   (773 words)

 Physics 30 - Electric Circuits - Series and Parallel The sum of the decreases in electric potential around a series circuit is equal to the sum of the increases in applied electromotive force. The total resistance in a series circuit is equal to the sum of the individual resistances. The total current in a parallel circuit is equal to the sum of the current passing through different branches in the circuit. www.sasked.gov.sk.ca /docs/physics/u3c23phy.html   (442 words)

 Physical Science Build Series and Parallel Circuits   (Site not responding. Last check: ) Construct the series circuit using the light, foil or wire, switch and battery. An ammeter measures electric current and should be connected in series with the circuit. A voltmeter measures potential difference across part of a circuit and should be connected in parallel across a part of the circuit. www.ncpublicschools.org /curriculum/science/scos/1999/physicalscience/resources/09build   (176 words)

 EET 150 Unit 4: Series-Parallel Circuits In discussing series circuits, we stated the voltage-divider rule as follows: the voltage across any resistance in a series circuit is equal to the ratio of that resistance to the circuit's total resistance, multiplied by the source voltage. The same basic rule applies to any series path in a series-parallel circuit (but not to an entire series-parallel circuit, and not to any portion of a series-parallel circuit that is not a series path). Since the original wording of the rule applies only to series circuits, we need to change the wording slightly, as follows: the voltage across any resistance in a series path is equal to the ratio of that resistance to the path's total resistance, multiplied by the voltage across the series path. people.sinclair.edu /nickreeder/eet150/mod04.htm   (2424 words)

 Phaeno: Exhibits: Series/Parallel Circuits Series/Parallel Circuits consists of a power supply, two volt meters, one large ampere meter and four smaller ampere meters which are connected to individual light bulbs. The four light bulbs and their accompanying ampere meters are on rotating blocks which make it possible to connect them to prominent bus bars in either serial or parallel fashion. Regardless of whether or not the light bulbs are connected in series or parallel, 18 watts are consumed to power the lamps. www.exploratorium.edu /cmp/projects/wolfsburg/exhibits/series_parallel_circuits/index.html   (109 words)

 Series and parallel circuits - High School Online Collaborative Writing   (Site not responding. Last check: ) There are two types of circuits; the series circuit is one that only has one path for the current to flow through. Parallel Circuits are circuits that have more than one pat, so the current has a “choice” as to which path to use. When dealing with circuit which contain both parallel and series parts, it is important to solve the equations in the right order in order to receive the correct answer. schools.wikia.com /wiki/Series_and_parallel_circuits   (905 words)

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