Describe the pattern of a current flow in an parallel circuit. The components are arranged one after another in a single pathway. Do all this without the fear of being electrocuted as long as you dont use your computing device in the bath tub. This video provides an overview of series and parallel circuits. The supply voltage in a series circuit is equal to the sum of the individual voltage drops. The presenters then show how ammeters can be used to measure current. Ks3 electrical circuits including voltage and wattage. A parallel circuit contains junctions and so there is more than one path for the current. Students are asked to imagine that they are currently. When we connect the components we say that they are connected in series. What is the pattern for how current behaves in a parallel. These quantities are closely related and are current, voltage potential difference and resistance.
Circuits wired in series are the easiest to understand, with current flowing in one continuous, smooth direction. An ammeter measures current and a voltmeter measures a potential difference. Series circuits series and parallel circuits siyavula. The houses are in the early planning phases and will provide luxury accommodation to executives that work in the city. A series circuit has all its components wired in the same loop. In parallel circuits, electrical components are connected alongside one another. A closed circuit in which the current divides into two or more paths before recombining to complete the circuit. Electricity unit of work series, helping your students expand their understanding of physics. Some circuits include both series and parallel parts.
This is lesson 5 in a series of lessons that covers the topic of ks3 electricity with a focus on parallel circuits. Series and parallel circuits series circuits parallel circuits calculating equivalent resistances in series circuits. For an electrical current to flow through an electrical circuit you need only a complete circuit. From the way the question is phrased, im assuming were talking about simple circuits with resistors only. Electrical circuits worksheet 2 ks3 homework activity. Parallel circuits series and parallel circuits eduqas. What is the difference between series vs parallel circuits. Bbc bitesize ks3 physics current and voltage in series and parallel. Series and parallel new ks3 by hannahradford teaching from series and parallel circuits worksheet, source current and voltage in series and parallel worksheet from series and parallel circuits. This animation is several exercises in one with lots of activities to explain some basic ideas of a series or parallel circuit.
In a parallel circuit, the current has more than one path to follow. Year 7 revision learn vocabulary, terms, and more with flashcards, games, and other study tools. This activity can easily be extended to look at the similarities and differences between the circuits with respect to. With simple series circuits, all components are connected endtoend to form only one path for the current to flow through the circuit. A series of free gcseigcse physics notes and lessons. Ks3 electricity unit series vs parallel teaching resources.
You can calculate the resistance for the circuit, or a portion of the circuit, by determining which resistors are in series and which are in parallel. Notice that in some nodes like between r 1 and r 2 the current is the same going in as at is coming out. Series circuits are sometimes referred to as currentcoupled or daisy chaincoupled. Electrical current transfers energy around circuits. V1 v2 v current is calculated by ohms law for each branch and tota. Current and voltage in series and parallel circuits. At other nodes specifically the threeway junction between r 2, r 3, and r 4 the main blue current splits into two different ones. There are two types of electrical circuit series and parallel. If 5 a current is flowing through the r 1 then the same current will flow through the r 2.
Physics and chemistry by a clear learning in high school, middle school, upper school, secondary school and academy. This actionpacked distance or remote learning package starts with units for current and the positioning of ammeters in series and parallel circuits and explores the value of current in series and parallel circuits with pupils ultimately able to determine current from ammeter readings. An electrical circuit consists of wires, components like switches and bulbs and a cell or other source of power. Series vs parallel circuit configuration basics of. Ks3 science sciencephysics quiz on electrical circuits 7j. A circuit needs to be complete for electricity to flow through it. Series circuits electric current and potential difference ks3. Series and parallel circuits physics gcse revision. Parallel circuits are a bit trickier, allowing multiple circuits to connect while operating individually as part of a larger circuit. Bbc bitesize ks3 physics current and voltage in series and parallel circuits. Bbc bitesize ks3 physics series and parallel circuits youtube. The electric current flows from the source to each device in turn, then returns to the source to form a complete closed. Current in parallel circuits examples, solutions, videos.
As an extension ask students to do a comparison between the two. In these lessons, we will describe what is meant by a parallel circuit. Current and voltage in series and parallel circuits ks3 physics. So, if one of the resistors in the simple parallel circuit from figure 5. Compare and contrast series, parallel and combination circuits.
Ks3 currentthis resource addresses common misconceptions in drawing circuits, in particular placing ammeters in circuits and understanding the concept of how current flows in series and parallel. Measurement and analysis of current and voltage in simple circuits allows us to formulate rules and predict unknown values. This is because electrons are negatively charged and want to move away from the negative terminal and head towards the positive terminal. Circuit construction kit series of three activitites inquiry based using phet in electricity unit. Current and potential difference in series circuits current has the same value at any point in a single closed loop of a circuit, so the current through each component is the same. However, the method we just used to analyze this simple series circuit can be streamlined for better understanding. Properties of series circuits a series circuit has unique properties which make it distinct from the parallel.
The current splits along strands in a parallel circuit. We have already seen examples of series circuits in the last chapter. Current in series and parallel circuits distance learning. This is because you are giving the current more ways to go. Some materials have low resistance and are conductors.
Bbc bitesize ks3 physics current and voltage in series and parallel circuits duration. Series circuits, by contrast, arrange all of their elements in a single, closed loop. To solve the problem you need to realise that each bulb has an identical resistance. Electric current is the flow of electrons from the negative terminal to the positive terminal of a cell. But the potential difference is shared between the components in a series circuit. Animations are used to descibe the difference between series and parallel circuits. Thats the key difference between series and parallel series circuits defined. Two components are in series if they share a common node and if the same. Electricity and electric circuits teaching resources the.
In a series circuit, components connect one after the other in a daisychain configuration, and the first and last devices are connected to the power source. To solve parallel circuits, youll need to know that parallel circuits have two or more branches that all lead from point a to point b. It spans ks3, ks4 and ks5 as all the ideas will work and tidy up any confusion. Gcse physics revision section of revision science covering series and parallel circuits, current and voltage. This actionpacked lesson on lamps in series and parallel circuits is fully resourced and differentiated with 12 activities including starter, plenary, exit ticket quiz plus homeworks easy to follow instructions are given on the powerpoint and worksheets so that the lesson practically runs itself the activities include literacy, group work, peer assessment, selfassessment, pupil response.
This free lesson pack helps you build a full introduction to circuits lesson, perfect for ks3 science students. And the more work you have a series circuit do, the more your current will decrease. An explanation is given of how any break in a series circuit results in no flow of electricity. If there is a break in the circuit, the electricity cannot pass.
A series circuit is one in which there is only one pathway for the electric current to follow. The amount of current flowing depends on the voltage and the resistance of the components. Current electricitylamps in series and parallel circuits ks3. Series and parallel circuits ks3 physics bbc bitesize. R1 and r2 are in parallel and r3 is in series with r1. The more bulbs there are in series, the greater the resistance to current flow. With everything you need to engage your students and check their understanding, this lesson pack helps you take the pressure off preparation. This ks3 science quiz challenges you on electrical circuits. Seriesparallel circuits if we combined a series circuit with a parallel circuit we produce a seriesparallel circuit. Current electricity, series circuits, physics, current electricity, science, physics, key stage 3, science, secondary ks3 teaching resources, ks3 reso. 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. A parallel circuit is rather like two or more series circuits connected to the same energy source for example, here is a parallel circuit connecting a cell and two lamps and here is a parallel circuit connecting a cell and three lamps notice that the components lie inside parallel loops connected to the same energy source. Add resistors, light bulbs, wires and ammeters to build a circuit, explore ohms law. Series and parallel circuits st edmunds girls school.
The double lines between r1 and r2 is a symbol for parallel. Nasty circuits if you have a combination of series and parallel in one circuit take your time and. Key stage 3 worksheet on series and parallel circuits. The two main types of electrical circuits are series and parallel. So, we now know that series circuits have a weakness. Students consider whether a series or parallel circuit would be best for their christmas tree lights. Therefore, all of the components in a series connection carry the same current. Current electricity and circuits year 7 topic 5 full lessons ks3 7j. How is a parallel circuit different from a series circuit. Series and parallel circuits give students lots of practice working out resistance, current and potential difference in a range of circuits.
There are two types of circuit we can make, called series and parallel. Series and parallel circuits gcserevision, physics. Series and parallel circuits investigation instruction sheet printout. To know that current divides in a parallel circuit, to know that, if lamps are identical in a parallel circuit, the same current will flow through each. Simple series circuits series and parallel circuits. There are two ways of joining electrical components, in series and in parallel.
In the next picture, we again see three resistors and a battery. Bbc ks4 curriculum bites unit looking at topics in the double science curriculum, broken down into short chunks. Students are asked to imagine that they are currently the site manager for a local ecofriendly housing development project. Electrical circuits key stage 3 revision quiz two thirty. Series and parallel circuits working together from there we can mix and match. To be able to deduce readings on ammeters in series and parallel circuits. An electric current is a flow of electric charge around a circuit. Circuits, current and parallel circuits teaching resources. When resistors are used in electronic circuits they can be used in different configurations. Creative commons sharealike other resources by this author. Analyzing simple series circuits with the table method and ohms law. Series or parallel circuit an activity free flash animation for electricity learning interactive flash simulation to associate two dipoles bulbs lamps in series or parallel and see the difference between both. The current stays the same everywhere in a series circuit.