In this article, the fundamentals of electric charge, current, potential difference, resistance and conservation of charge are discussed. Electric circuits edexcel gcse physics revision notes. This is a comprehensive tutorial on electricity, covering all the major topics that come under gcse, igcse and alevel specifications in the uk and the commonwealth for all major exam boards. Get this resource as part of a bundle and save up to 60%. Gcse physics electricity what is the current in each. There is a large switch on the machine and a switch where it is plugged into the mains. The wire is connected in this way so a current can flow through it. As these electrons flow around a circuit they bump into the atoms in the conducting wire and electrical components. That means that its not a good learning tool to start with, as you will spend so much time wondering.
The voltage splits along components in a series circuit. Written by the expert teachers at save my exams for the edexcel gcse 91 physics exam. This interactive, multitouch book covers most of the main concepts about current electricity and circuits. The following symbols show the different components that can be found in an electrical. As, a level, physics, worksheets, revision, resources, complete circuits, ocr created date. The current stays the same everywhere in a series circuit.
Free revision materials for electric circuits alevel physics edexcel topic 3. Gcse circuit questions and answers teaching resources. Or, never taken a physics class but would like to understand the physics of electricity and electric circuits. What is a good book for learning electric circuit fundamentals. Q2 an electric fire with 4a flowing through it has a. Understanding them is easy when you learn some equations. Gcse revision notes physics revision notes electricity 1. Separate science, topic 10 electricity and circuits, gcse science, separate science, dexcel, gcse science, xam board, edexcel, physics, exam board, ks4. Although many below have said it is a good choice, the art of electronics is not a book on electricity its a book on serious electronics design. Electric circuits stick figure physics tutorials kindle. The series circuit above has three different resistors.
It includes pedagogical aids which reinforce the concepts learned so that students can become familiar with the methods of analysis presented. These constant collisions make it difficult for the current to flow or in other words resist the electrical current. As this book has evolved to meet the changing learning styles of students, the underlying teaching approaches and philosophies remain unchanged. Click to read even more a level physics notes and download our comprehensive revision material today. Through a series of interactive exercises, you are also alerted to the amazing impact that the electronics revolution has had on our everyday lives. There is a potential difference voltage between these poles. It also includes a edexcel gcse exam question on the topic. A direct current does not have a continually changing polarity, unlike an alternating current ac, but instead a constant direction and rate of flow. Choose your answers to the questions and click next to see the next set of questions. This fun, easy to understand introduction covers the basics using simple stick figure drawings and fun analogies.
The current in a series circuit is the same everywhere the series circuit above has three different resistors. Electrical charge and current electric circuits edexcel gcse. You construct series and parallel circuits using light bulbs and observe characteristics of the circuits. Same as above, but uses a genecon tm generator as a voltage source.
Ohms law is often useful in solving electric circuits. Electricity tutorial for gcse, igcse, as, ib and alevel. This website and its content is subject to our terms and conditions. It can be easy, particularly if you get the main terms right. Find the top 100 most popular items in amazon books best sellers. Learn about and revise electrical circuits, charge, current, power and resistance with gcse bitesize combined science.
Electricity and circuits edexcel gcse physics separate. The kerboodle textbook detailed answers and all the past paper questions onr p4 electric circuits chapter according to the mark scheme. A level physics electricity complete circuits questions ocr author. Masteringengineering for electric circuits is a total learning package that is designed to improve. When using this source please refer to the specification above as some of the content goes beyond what is needed for the current aqa.
Gcse electricity revise currents in electrical circuits. Gcse science physics 91 current in parallel circuits. These are, in essence, flows of electrons the current around a closed loop. Jun 08, 2017 91 gcse physics paper 1 electricity freesciencelessons. Series and parallel circuits gcserevision, physics.
This text is for use on the introductory circuit analysis or circuit theory course which is taught in electrical engineering departments. Simply defined, electric current is a flow of electrons. As, electrons are negatively charged, it can be further added that electric current is the flow of negative charge. See more ideas about electric circuit, physics and physics classroom. An ammeter placed anywhere in a series circuit always gives the. The people of toaster town and the people of glove town. Physics of electrical circuits chapter exam instructions.
Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. High school physicselectric circuits wikibooks, open books. Basic circuit conceptslumped circuits circuits elements vi relationships of r, l and c independent sources dependent sources simple resistive circuits kirchhoffs laws analysis of series and parallel circuits network reduction voltage division current division source transformation star delta transformation. Checklist, presentations, revision notes and past paper questions. Revise what you learned in year 10 and year 11, in this enjoyable quiz. Physics with astrophysics with a year in industry university of york.
From your studies of static electricity, you should by now be familiar with the idea that electricity is something to do with electrons. Jump to navigation jump to search once upon a time, their were two types of people. Gcse physics electricity 3 parallel and series circuits. Potential difference is shared between the various components which means that the potential differences round a series ciruit alwasy add up to equal the source pd. The current splits along strands in a parallel circuit. Series circuits electric circuits aqa gcse combined. Tes global ltd is registered in england company no 02017289 with its registered office. To help you revise, weve created this quiz for year 10 and year 11 pupils.
Electric circuits is the most widely used introductory circuits textbook of the past decade. Potential difference voltageemf in a battery, a series of chemical reactions occur in which electrons are transferred from one terminal to another. Gcse physics science revision covering series and parallel circuits, current and voltage. An electric current in a conducting wire produces a magnetic field around the wire. As these electrons flow around a circuit they bump into the atoms in. An ammeter placed anywhere in a series circuit always gives the same reading.
Parallel circuits electric circuits aqa gcse physics single. Lesson with a range of activities and example exam questions that meets the requirements of the new aqa gcse specification. Current this is a measure of the flow of electrons around a circuit measured in amperes or amps a voltage this is a measure of how much energy the electrons are carrying. Electric circuits are one or more loops of wire which allow current to flow all the way around, usually driven by a battery which maintains a potential difference to keep current flowing. Jul 31, 2017 a direct current dc circuit usually has a steady and constant voltage supplied to it. Potential difference v is the amount of joules per coulomb of charge, it is measured in volts v. Gcse physics revision chapter 2 electricity and circuits. Electricity equations and definitions gcse gorillaphysics gcse. Resistors in circuits summary the physics hypertextbook. Sinusoidal steady state analysisconcepts of phasor and. Learn about and revise mains electricity, current and the role of the national grid with this gcse bitesize physics. One thing they should understand is how the currents in electrical circuits are caused by the flow of electrons around it.
Notice that the bigger the resistance, the smaller the current. Gcse science physics 91 current in series circuits. Electrical current transfers energy around circuits. Gcse physics revision section of revision science covering series and parallel circuits, current and voltage. To do well in gcse physics, students need to have a good grasp of electricity. Learn about and revise electrical circuits, charge, current, power and resistance with gcse bitesize physics. What is the current in each branch of a parallel circuit from the previous page, the current a 2 flowing through the branch with the 2 ohm resistor is 6 amps the current a 3 flowing through the 3 ohm resistor is. Physics professional graduate diploma in education pgde graduates only edinburgh napier university. One end of the wire is connected to the positive terminal. What basically ohms law says is that if the resistance is higher, than the current will be lower. In other countries, this can be used for senior high school children. Edexcel gcse sp10a electric circuits work book teaching. Similarly, the people of both the towns are there to represent a key point in electrical circuits. A gcse revision video designed to help you learn about how to draw circuits and components, understand circuit diagrams, explain series and parallel and how voltage and current change in each type.
Current i is the amount of charge per second passing a point in a circuit, it is measured in amps a. Series and parallel circuits physics gcse revision. As part of their work on electricity, gcse physics students look at electrical circuits. What is the current in a series circuit the current in a series circuit has only one single path to flow through. Gcse physics circuits high demand questions questionsheet 1 a in the circuit below, lamps p and q are identical. Unit 8 mechanical waves and simple harmonic motion. Throughout the gcse electronics cdroms, you are given ample opportunity to experiment on the screen. Gcse physics science revision section covering circuits, electricity, current, voltage, resistance, current in a series circuit, current in a parallel circuit, voltage in a series circuit, voltage in a parallel circuit, resistance through components, charge in circuits and energy in circuits. Introductory physics notes from university of winnipeg algebrabased. A level physics electricity complete circuits questions ocr. There are comprehensive notes regarding electric current here.
High school physicselectric circuits wikibooks, open. Basic electricity worksheet questions on ohms law and power law. Light bulbs, televisions, anything that uses energy, is called a resistor and slows the flow of energy through the circuit. Gcse physics circuits medium demand questions questionsheet 15 a machine in a workshop will only operate when the safety guard is in place. The current a 4 flowing through the 4 ohm resistor is.
The current in a series circuit has only one single path to flow through. Electric circuits is the most widely used introductory circuits textbook of the past 25 years. An atom consists of protons positive, neutrons neutral, and electrons negative. Parallel circuits electric circuits aqa gcse physics. Isaac physics a project designed to offer support and activities in physics problem solving to teachers and students from gcse level through to university. The book has remained popular due to its success in implementing three themes throughout the text. As, electrons are negatively charged, it can be further added that. Fill in your details below or click an icon to log in. Gcse electronic products free teaching resources and. The total current at a 1 or a 5 is found by adding up the current in each branch.
As level physics electric circuits linkedin slideshare. What is the equivalent total resistance of two resistors in series and parallel. Gcse electricity revise flow in electrical circuits. Gcse physics electricity what is the current in a series.
Electric field lines a representation of an electrical field with lines indicating the direction which a. Gcse physics unit 1 revision book 2018 crickhowell high school. Conversely, if resistance is lower, than the current will be higher. May 23, 2017 a gcse revision video designed to help you learn about how to draw circuits and components, understand circuit diagrams, explain series and parallel and how voltage and current change in each type. This section describes circuits electric machines a circuit is a loop of wire with its ends connected to an energy source such as a cell or a battery. In order for an electric current to flow there needs to be complete circuit with no gaps. E, and a great selection of related books, art and collectibles available now at. New 91 aqa gcse physics p4 electric circuits complete. Resistance w ratio of potential difference across a component to the current flowing through it, it is measure in ohms w. Gcse physics section of revision science section covering circuits.
Although it is primarilywritten for gcse physics, most of. A circuit is a loop of wire with its ends connected to an energy source such as a cell or a battery. Current, voltage and resistances the main problem with electricity is that everyone uses it all the time, so they think they know how it works already. The current in a series circuit is the same everywhere. Potential difference is shared between the various components which means that the potential differences round. Best a level physics books extended project for physics see more of what you like on the student room.
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