This physics tutorial looks at a variable potential divider also called a potentiometer and how it works. Aug 19, 2017 a potential divider, or potentiometer, consists of a number of resistors, and a voltmeter. This textbook is designed to be accessible to all students, with extra support provided in separate support packs for teachers. Sep 04, 2016 potential dividers, formula and sample calculations, resistor values colour codes, use of ldrs and thermistors in potential dividers. Buy my book to help you memorise all the equations for gcse physics or combined science, for aqa, ocr a and b, edexcel and eduqas. Teaching a2 physics practical skills papers xtremepapers. Gcse physics ocr potential dividers flashcards in gcse physics. Begin by following the instructions below to calculate voltages in them. If you appreciate the help, consider tipping me to keep me going. The current in each branch will add up to the total current through the. Free support resources for physics for you 5th edition this page is being updated regularly with free support resources to use alongside gcse physics for you 5th edition.
Download free teaching a2 physics practical skills papers xtremepapers teaching a2 physics practical skills papers xtremepapers a level practical skills a level physics practical skill 2 exam questions alevel physics papers used. As the charge passes through the wire it uses up its potential. Here are some potential divider questions that might be useful for students studying gcse. Syllabus cambridge igcse physics 0625 cambridge international. It begins with the theory of two major ideas in physics, force and energy. Any textbooks endorsed to support the syllabus for examination from 2016 are still suitable for use with this syllabus. Summary topic 4 atomic structure aqa 91 gcse physics 1 paper 1 topic 4. A lesson on potential dividers containing a starter and several activities. Two resistors divide up the potential difference supplied to them from a cell. How students are looking after their mental health in lockdown. For a voltmeter this can be approached by way of the potential divider where adding a. Alevel physics advancing physics wikibooks, open books. This is where teaching and learning resources can be downloaded and added.
The guidelines referred to here consist of two books, which were published by the department of education in 1997. Usually one of the resistors will be adjustable or sensitive to conditions eg ldr. Gcses are exams taken in the uk and elsewhere by students generally aged 15 16. Gcse physics ocr potential dividers flashcards in gcse. Free support resources for physics for you 5th edition. Further development means that additional free materials may also be added in the future. The transition from ks4 to ks5 is never entirely easy, and physics throws up its own. Potential divider for alevel physics teaching resources. Gcse physics revision guide with online edition ag cour parsons, richardm on. Gcseigcse physics solutions, examples, worksheets, videos.
Maybe you have knowledge that, people have see numerous times for their favorite books behind this aqa gce physics a unit 1 revision notes, but stop stirring in harmful downloads. All of aqa electricity explained in 12 minutes gcse 91. Feb 27, 2017 please dont forget to leave a like if you found this helpful. Can be used with any powerpoint excel word pdf html image video files, or urls. Potential dividers comparators often have potential dividers providing voltages to compare against, sometimes with sensors in. Then the sheet goes on to explain each section in detail along with examples. Find the voltage across components in a potential divider circuit. What you need to know for gcse science and additional science for gcse physics. Price and stock details listed on this site are as accurate as possible, and subject to change. The voltage read by the voltmeter is determined by the ratio of the resistances on either side of the point at which one end of the voltmeter is connected.
Uncertainty and significant figures in physics, numbers represent values that have uncertainty and this is. Kirchoffs laws and potential dividers scool, the revision. Aqa gcse 91 physics 1 paper 1 separate science past exam. Cambridge igcse physics 0625 past paper questions and answers. Oct 30, 2016 at gorilla physics were all about you understanding more, so you get more confident, then enjoy physics more and then youll do better in your gcse and a level physics exams. Advanced physics for you the friendliest physics book for as and a2 students. May 21, 2018 rise and fall of the clockwork universe. Potential dividers in this circuit you have a long piece of resistance wire. A series of free gcseigcse physics notes and lessons with examples and solutions. Edexcel gcse 91 physics edexcel 91 gcse science 2016. Gcse physics the best free revision for gcse science. Physics exam pack potential dividers free gcse, a level. The summary at the start is taken directly from the specification, with everything you need to know. Potential divider flashcards in a level and ib physics.
It might be useful for gcse design and technology student, physics gcse, ks4, and just about anyone new to potential divider circuits and theory, as i have tried to make it as simple as possible. Halfway through the wire it has used half the potential 14 of the way through the wire its used a 14 of the potential. Cambridge international as and a level physics ebook, 2014. We discover that for anything useful to happen there must be a transfer of energy. Gcse physics revision guide with online edition ag cour. Whether it is an ldr or a thermistor, in the final analysis, it has a resistance value, and you simply plug it into the potential divider circuit above to find the output voltage. Examination paper physics 1 examination paper physics 2 examination paper physics 3 plus an isa see below, which consists of an item of practical coursework, and an examination paper based on the. This resource has been designed for use with cambridge igcse physics, but could be used for any physics course. A potential divider is a simple circuit that uses resisters or thermistors ldrs to supply a variable potential difference. Buy edexcel gcse 91 physics edexcel 91 gcse science 2016 by levesley, mark isbn.
Revise edexcel gcse 91 physics higher revision guide. The example circuit shown above applies to all the questions below. Alevel physics advancing physicspotential dividers. Edexcel international gcse physics 4ph1 for exams from 2019. It is based on the principle that the potential drop across a segment of a wire of uniform crosssection carrying a constant current is directly proportional to its length. Isaac physics a project designed to offer support and activities in physics problem solving to teachers and students from gcse y11, through to university. Please note that this course has four examined components. Isaac physics can return the fully assembled and analysed marks to the teacher, if registered for this free service. Gcse physics for aqa book solutions can be found by clicking this link required practical documentation including exam style questions that may go with each practical link additional required practical booklet, with questions and answers are at the end f the document link. Physics alevel revision notes on kirchoffs laws and potential dividers. A potentiometer is a type of variable resistor where the voltage is divided up.
The variable potential divider potentiometer gcse physics. Trilogy 8464 aqa gcse physics 8462 paper exam date paper 1 4. They can be used as audio volume controls, to control the temperature in a freezer or monitor changes in light in a room. Potential dividers are circuits which are set up with two resistors in series, dividing the potential difference. Download if you would like to download a resource then click on the relevant attachment at the bottom of the page. Sheets to help students to learn and revise potential dividers for a level physics. The series aims to raise the achievement of borderline candidates to help them achieve more at gcse. Rotate to landscape screen format on a mobile phone or small tablet to use the mathway widget, a free math problem solver that answers your questions with stepby. I decided to write it because my nephews came running to me one day asking, how do potential dividers work. However, some other components can be used in potential dividers and we will look at that in this fact file.
Free support for gcse and igcse physics for you downloads. Potential dividers a level physics sheet teaching resources. Single and double science can be taught as both options are clearly marked. From the author physics at a glancecontains all the physics material you require for any of the major gcse examination boards. The voltages can either be set to fixed values or be adjustable. Physics igcse 2012 exam revision notes by samuel lees and adrian guillot 1.
Summary topic 3 particle model of matter aqa 91 gcse physics 1 paper 1 topic 3. To understand how a potential divider works, let us consider resistors in series. The videos are organised into playlists set out below. Geoff goodwin clear coverage of the latest specification from an experienced author team of examiners and teachers, plus a free students cdrom.
Potentiometers, rheostats and potential dividers a level physics. Potential divider the potential divider is a line of resistors in series that are used to give different voltages in parts of an electronic circuit. Gcse physics gcse physics revision video on p1 and p5. Scroll down the page for lessons and examples for the following topics. Igcse physics potential dividers teaching resources. Adjust the potential divider to obtain different values for the voltage v and hence for the current i. Online library aqa gce physics a unit 1 revision notes aqa gce physics a unit 1 revision notes thank you completely much for downloading aqa gce physics a unit 1 revision notes. Use this book in parallel with the electronic version at.
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