An ==Key Stage 3=====Meaning===A [[Series Circuit]] is an [[Circuit|electrical circuit]] with only one path for the [[Electrical Current|current]] to flow. ===About Series Circuits===: In a '''series circuit''' the [[Electrical Current|current]] is the same at all locations.: [[Electrical Component|Components]] placed in '''series''' share the [[Potential Difference|potential difference]] supplied by the [[Power Supply|power supply]]. ===Examples==={| class="wikitable"|-|[[File:CircuitCellBulbAmmeterSeries.png|center|200px]]|[[File:CircuitCellMotorResistorSeries.png|center|200px]]|[[File:CircuitCellMotorResistorBulbSeries.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 [[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|potential difference]] between 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|potential difference]] between them.|} ==Key Stage 4=====Meaning===A [[Series Circuit]] is an [[Circuit|electrical circuit]] with only one path for the [[Electrical Current|current]] to flow. ===About Series Circuits===: In a '''series circuit''' the [[Electrical Current|current]] is the same at all locations.: [[Electrical Component|Components]] placed in '''series''' share the [[Potential Difference|potential difference]] supplied by the [[Power Supply|power supply]]. ===Examples==={| class="wikitable"|-|[[File:CircuitDiagramCellBulbAmmeterSeries.png|center|200px]]|[[File:CircuitDiagramCellMotorResistorSeries.png|center|200px]]|[[File:CircuitDiagramCellMotorResistorBulbSeries.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 [[motor]] and [[resistor]] are in [[Series Circuit|series]] so they have the same [[Electrical Current|Current]] passing through them but share the [[Potential Difference|potential difference]] between 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 [[Potential Difference|potential difference]] between them.|} ===Resistors in Series===: Adding [[resistor]]s in [[Series Circuit|series]] increases the [[Electrical Resistance|resistance]] in the [[circuit]].: The [[Electrical Resistance|resistance]] of each [[resistor]] can be added together.{| class="wikitable"|-|[[File:ResistorsSeries1.png|center|400px]]| style="height:20px; width:175px; text-align:center;" |The [[Electrical Resistance|resistance]] between points A and B is: 5Ω.|-|[[File:ResistorsSeries2.png|center|400px]]| style="height:20px; width:175px; text-align:center;" |The [[Electrical Resistance|resistance]] between points A and B is: 2Ω + 5Ω = 7Ω|-|[[File:ResistorsSeries3.png|center|400px]]| style="height:20px; width:175px; text-align:center;" |The [[Electrical Resistance|resistance]] between points A and B is: 2Ω + 5Ω + 9Ω = 16Ω|} ===References=======AQA==== :[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Series circuit, pages 54, 62-3, GCSE Physics; Student Book, Collins, 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=ad276ad49df77ab4b40ab4fd0fe10277 ''Series circuits, pages 185, 187, 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=f0dfb66dafcb0c6e9449e7b1a4ae1ac82 ''Series circuits, pages 28, 30, GCSE Physics; 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 ''Series circuits, pages 295, 301-2, GCSE Combined Science Trilogy 1, Hodder, AQA '']:[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Series circuits, pages 37, 46, GCSE Physics, Hodder, AQA '']:[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Series circuits, pages 58-59, GCSE Physics; Third Edition, Oxford University Press, 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 ''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 ''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/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Series circuits; controlling the current, page 40, GCSE Physics, Hodder, AQA ''] ====Edexcel==== :[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Series circuits, page 141, GCSE Physics, Pearson Edexcel '']:[https://www.amazon.co.uk/gp/product/1782945733/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945733&linkCode=as2&tag=nrjc-21&linkId=2a2dbec9db6bf5766c0458d908fa0a52 ''Series circuits, page 75, GCSE Physics; The Revision Guide, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1782945741/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945741&linkCode=as2&tag=nrjc-21&linkId=30da4f2178da182547b62a7329d13b57 ''Series circuits, pages 188, 189, GCSE Combined Science; The Revision Guide, 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 ''Series circuits, pages 231-234, GCSE Physics, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Series circuits; resistors, pages 146-147, GCSE Physics, Pearson 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 ''Series circuits, page 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 ''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 ''Series circuits, pages 48, 49, Gateway GCSE Physics; The Revision Guide, CGP, OCR '']