Changes

: A '''circuit''' needs to be complete otherwise electricity will not flow through it. Any break in the '''circuit''' will stop the [[electricity ]] from flowing.: A '''circuit''' starts and ends at the sourceof power.This is usually a [[battery]] or [[Electrical Cell|cell]] but it can be a [[generator]] or Solar Cell. {| class="wikitable"|-|[[File:CompleteCircuit.png|center|200px]]|[[File:IncompleteCircuit.png|center|200px]]|-| style="height:20px; width:200px; text-align:center;" |A circuit must be a complete loop without any breaks or it will not work.| style="height:20px; width:200px; text-align:center;" |The break in this circuit stops it from working.|}  To practice building a circuit you can use a circuit simulator by clicking on the picture below.{| class="wikitable"|[[File:PhetCircuit.png|centre|300px|link=https://phet.colorado.edu/sims/html/circuit-construction-kit-dc/latest/circuit-construction-kit-dc_en.html]]|} ==Key Stage 3=====Meaning===A '''circuit''' is a loop of [[wire]] that [[electricity]] flows around. ===About Circuits===: [[Circuit]]s can have [[component]]s in [[Series Circuit|series]] or [[Parallel Circuit|parallel]].: [[Component]]s in [[Parallel Circuit|parallel]] in a [[circuit]] have the same [[Potential Difference]] across them but share the [[Electrical Current|Current]].: [[Component]]s in [[Series Circuit|series]] in a [[circuit]] have the same [[Electrical Current|Current]] through them but share the [[Potential Difference]]. ===Examples==={| class="wikitable"|-|[[File:CircuitCellBulbAmmeterSeries.png|center|200px]]|[[File:CircuitCellBulbVoltmeterParallel.png|center|200px]]|[[File:CircuitCellBulbBulbParallel.png|center|200px]]|-| style="height:20px; width:200px; text-align:center;" |The [[Electrical Bulb|bulb]] and [[Ammeter]] are in [[Series Circuit|series]] so they have the same [[Electrical Current|Current]] going through them.| style="height:20px; width:200px; text-align:center;" |The [[Electrical Cell|cell]], [[Electrical Bulb|bulb]] and [[Voltmeter]] are in [[Parallel Circuit|parallel]] so they have the same [[Potential Difference]] across them.| style="height:20px; width:200px; text-align:center;" |The two [[Electrical Bulb|bulbs]] are in [[Parallel Circuit|parallel]] so they have the same [[Potential Difference]] across them but may have a different [[Electrical Current|Current]] passing through them.|-|[[File:CircuitCellMotorResistorSeries.png|center|200px]]|[[File:CircuitCellMotorBulbParallel.png|center|200px]]|[[File:CircuitCellMotorResistorBulbSeries.png|center|200px]]|-| style="height:20px; width:200px; text-align:center;" |The [[motor]] and [[resistor]] are in [[Series Circuit|series]] so they have the same [[Electrical Current|Current]] passing through them but share the 1.5V [[Potential Difference]] between them.| style="height:20px; width:200px; text-align:center;" |The [[Electrical Bulb|bulb]] and [[motor]] are in [[Parallel Circuit|parallel]] so they have the same [[Potential Difference]] across them but may have a different [[Electrical Current|Current]] passing through them.| style="height:20px; width:200px; text-align:center;" |The [[motor]], [[resistor]] and [[Electrical Bulb|bulb]] are in [[Series Circuit|series]] so they all have the same [[Electrical Current|Current]] passing through them but share the 1.5V [[Potential Difference]] between them.|} ===Energy Transfers=======Cell====: [[Energy]] is [[Energy Transfer|transferred]] [[Electrical Energy Transfer|electrically]] out of the [[Chemical Potential Energy Store|chemical potential energy store]]. ====Light Bulb====: [[Energy]] is [[Energy Transfer|transferred]] [[Electrical Energy Transfer|electrically]] into the the [[Thermal Energy Store|thermal energy store]] of the [[Filament Bulb|bulb]].: [[Energy]] is also [[Energy Transfer|transferred]] away from the [[Filament Bulb|bulb]] by [[light]] [[radiation]]. ====Motor====: [[Energy]] is [[Energy Transfer|transferred]] [[Electrical Energy Transfer|electrically]] into the the [[Kinetic Energy Store|kinetic energy store]] of the [[motor]] as it speeds up.: [[Energy]] is [[Energy Transfer|transferred]] [[Electrical Energy Transfer|electrically]] into the the [[Thermal Energy Store|thermal energy store]] of the [[motor]] due to [[friction]]. ====Speaker or Buzzer====: [[Energy]] is [[Energy Transfer|transferred]] [[Electrical Energy Transfer|electrically]] into the the [[Kinetic Energy Store|kinetic energy store]] of the [[Speaker]].: [[Energy]] is also [[Energy Transfer|transferred]] away from the [[Speaker]] by [[sound]] [[radiation]]. ==Key Stage 4=====Meaning===A '''circuit''' is a loop of [[wire]] that [[electricity]] flows around. ===About Circuits===: [[Circuit]]s can have [[component]]s in [[Series Circuit|series]] or [[Parallel Circuit|parallel]].: [[Component]]s in [[Parallel Circuit|parallel]] in a [[circuit]] have the same [[Potential Difference]] across them but share the [[Electrical Current|current]].: [[Component]]s in [[Series Circuit|series]] in a [[circuit]] have the same [[Electrical Current|Current]] through them but share the [[Potential Difference|potential difference]]. ===Examples==={| class="wikitable"|-|[[File:DiodeIVGraphCircuit.png|center|200px]]|[[File:LDRPotentialDivider2.png|center|200px]]|[[File:ResistanceWireCircuit2.png|center|200px]]|-| style="height:20px; width:200px; text-align:center;" |This [[circuit]] can be used to plot the [[IV Graph]] for a [[diode]].| style="height:20px; width:200px; text-align:center;" |This [[circuit]] can be used to activate a [[Electrical Bulb|lamp]] when it is dark.| style="height:20px; width:200px; text-align:center;" |This [[circuit]] can be used to find the [[Electrical Resistance|resistance]] of a [[wire]].|} ===Energy Transfers=======Cell====: [[Energy]] is [[Energy Transfer|transferred]] [[Electrical Energy Transfer|electrically]] out of the [[Chemical Potential Energy Store|chemical potential energy store]]. ====Light Bulb====: [[Energy]] is [[Energy Transfer|transferred]] [[Electrical Energy Transfer|electrically]] into the the [[Thermal Energy Store|thermal energy store]] of the [[Filament Bulb|bulb]].: [[Energy]] is also [[Energy Transfer|transferred]] away from the [[Filament Bulb|bulb]] by [[light]] [[radiation]]. ====Motor====: [[Energy]] is [[Energy Transfer|transferred]] [[Electrical Energy Transfer|electrically]] into the the [[Kinetic Energy Store|kinetic energy store]] of the [[motor]] as it speeds up.: [[Energy]] is [[Energy Transfer|transferred]] [[Electrical Energy Transfer|electrically]] into the the [[Thermal Energy Store|thermal energy store]] of the [[motor]] due to [[friction]]. ====Electrical Heater====: [[Energy]] is [[Energy Transfer|transferred]] [[Electrical Energy Transfer|electrically]] into the the [[Thermal Energy Store|thermal energy store]] of the [[Electrical Heater|heater]]. ====Speaker or Buzzer====: [[Energy]] is [[Energy Transfer|transferred]] [[Electrical Energy Transfer|electrically]] into the the [[Kinetic Energy Store|kinetic energy store]] of the [[Speaker]].: [[Energy]] is also [[Energy Transfer|transferred]] away from the [[Speaker]] by [[sound]] [[radiation]]. ===References=======AQA==== :[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe09776 ''Circuits, pages 180, 185, 186, GCSE Combined Science; The Revision Guide, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/178294558X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294558X&linkCode=as2&tag=nrjc-21&linkId=f0dfb66dafcb0c6e9449e7b1a4ae1ac50 ''Circuits, pages 24-33, GCSE Physics; The Revision Guide, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe09781 ''Circuits, series, page 185, GCSE Combined Science; The Revision Guide, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Circuits; circuit diagrams, pages 60, 61, 235, GCSE Combined Science Trilogy; Physics, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Circuits; circuit diagrams, pages 62, 63, 331, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe09777 ''Circuits; investigating I-V characteristics, page 183, GCSE Combined Science; The Revision Guide, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe09778 ''Circuits; investigating resistance, pages 182, 187, GCSE Combined Science; The Revision Guide, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Circuits; parallel circuits, pages 72-76, 78, 79, GCSE Combined Science Trilogy; Physics, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Circuits; parallel circuits, pages 74-78, 80, 81, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe09779 ''Circuits; parallel, page 186, GCSE Combined Science; The Revision Guide, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1471851354/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851354&linkCode=as2&tag=nrjc-21&linkId=9012a0d354024419214fb3ad5ac44ba0 ''Circuits; parallel, page 302, GCSE Combined Science Trilogy 1, Hodder, AQA '']:[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe09780 ''Circuits; sensing, page 184, GCSE Combined Science; The Revision Guide, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Circuits; sensor circuits, page 81, GCSE Combined Science Trilogy; Physics, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Circuits; sensor circuits, page 83, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Circuits; series circuits, pages 68-71, 77, 78, GCSE Combined Science Trilogy; Physics, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Circuits; series circuits, pages 70-73, 79, 80, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1471851354/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851354&linkCode=as2&tag=nrjc-21&linkId=9012a0d354024419214fb3ad5ac44ba0 ''Circuits; series, pages 295, 301-2, GCSE Combined Science Trilogy 1, Hodder, AQA '']:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Circuits; standard test circuit, page 67, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA ''] ====Edexcel==== :[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Circuits; diagrams, pages 219, 220, 338, GCSE Physics, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Circuits; investigating, pages 239-241, GCSE Physics, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Circuits; parallel, pages 235-238, GCSE Physics, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Circuits; series, pages 231-234, GCSE Physics, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Circuits; symbols, page 219, GCSE Physics, CGP, Edexcel ''] ====OCR====:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits, pages 100-115, 263, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Circuits, pages 176, 178-182, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Circuits, pages 44, 45, 47-50, Gateway GCSE Physics; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Calculations, pages 110-111, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Circuit boards, pages 104, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Circuit diagrams, pages 260-261, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Electrical power, pages 114-115, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Circuits; energy transferred in, pages 177, 182, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Circuits; energy transferred, pages 44, 50, Gateway GCSE Physics; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Light-dependent resistors, pages 109, 113, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Model of, pages 96, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Net resistance, pages 110-111, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Circuits; parallel circuits, page 181, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Parallel circuits, pages 103, 111, 260-263, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Circuits; parallel circuits, pages 48, 49, Gateway GCSE Physics; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Potential difference, pages 100-101, 113, 260-263, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Resistance, pages 104-105, 110-111, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Circuits; sensing circuits, page 47, Gateway GCSE Physics; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Sensing circuits, pages 112-113, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Series circuits, pages 102-103, 110, 260-263, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Circuits; series circuits, pages 180, 181, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Circuits; series circuits, pages 48, 49, Gateway GCSE Physics; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Circuits; symbols, page 176 Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Circuits; symbols, page 45, Gateway GCSE Physics; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Temperature measurements, pages 112, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Circuits; Thermistors, pages 108-109, 112, Gateway GCSE Physics, Oxford, OCR '']