Electric motor parts of motor, working of electric motor. If the magnetic field from the wire is placed in another magnetic field, they interact, causing the wire to move. We use dozens of devices in which electric motors are used, such as, refrigerators, mixers, fans, washing machines, computers, etc. The aqa gcse science textbooks are in the aqa approval process. Lesson this book is a textbook, not a laboratory or practical manual. New gcse physics for you including the latest edition details of the full series. New 14 cambridge 20 igcse for physics third edition this page. See the diagram here to find the equivalent grades.
The starter for the lesson revisits models as a way of helping to explain principles of electric circuits. This physics textbook is designed to support my personal teaching activities at duke university, in particular teaching its physics 141142, 151152, or 161162 series introductory physics for life science majors, engineers, or potential physics majors, respectively. When an electric current passes through a wire, it creates a magnetic field around the wire. These presentations, booklets and practice parers are just some of the very best revision resources uploaded by teachers for teachers to kickstart revision for your learners. An electric motor creates rotational, or circular, motion. Ac induction motors how ac motors work explain that stuff. This tutorial looks at the electric motor, flemmings left hand. Electricity powerpoint energy resources and energy transfer powerpoint forces and motion powerpoint radioactivity powerpoint the earth and beyond powerpoint waves powerpoint. Electric motors generate magnetic fields with electric current through a coil.
The wire is pushed in the opposite direction if the direction of the current through it is reversed. The text that was researched and compiled contains explanations of the motor parts, theory about electromagnetism and how current is used to make an electrical motor rotate. Electric motors electromagnets higher edexcel gcse physics. An electric circuit is a complete path through which electricity travels circuits are made up of wires and electrical parts such as batteries, light bulbs, resistors, motors and switches a circuit diagram. Revised national curriculum edition of gcse revised edition. Physics test practice book this practice book contains one actual fulllength gre physics test testtaking strategies become familiar with test structure and content test instructions and answering procedures compare your practice test results with the performance of those who took the test at a gre administration. When creating a force, use flemings left hand rule to determine in which. We had all studied quite a lot of physics before so it was pretty easy to come up with many formulas that have an effect in the physics of an electric motor. It works on the principle of the interactions between the magnetic fields of a permanent magnet and the field generated around a coil conducting electricity. Download if you would like to download a resource then click on the relevant attachment at the bottom of the page. Can be used with any powerpoint excel word pdf html image video files, or urls. A list of all items of apparatus used and a record of simple experiments may be. Aqa gcse physics student book 97814718577 early 2016.
Around the armature is the stator, which holds insulated coils of wire, usually copper. A split ring commutator sometimes just called a commutator is a simple and clever device for reversing the current direction through an armature every half turn see the previous page. How is electromagnetism used in our everyday lives. A simple electric motor consists of the following parts. The armature holds the rest of the components and is also the part of the motor that spins. Electricity, simple circuits flashcards in gcse physics. Electromagnetism the word electromagnetism in physics is used to describe one of the fundamental forces of nature. Aqa physics exam style questions p4 electric circuits. Oct 12, 2014 theory our next task was to think about the physics involved in the invention and application of the electric motor. Atomic physics such as properties of electrons, bohr model, energy quantization, atomic structure, atomic spectra, selection rules, blackbody radiation, xrays, atoms in electric and magnetic fields 7. Pearson edexcel level 1level 2 gcse 9 1 in physics 1ph0. Gcse physics revision science section covering the motor effect, flemings left hand rule, direction of a force, magnets, magnetic fields. From energy to electricity, forces to fission, delve into this handpicked collection of gcse physics revision resources. In an electrical circuit, current is the means by which energy is transferred from a source such as a battery or generator to a load lamp, motor, or other device that absorbs electrical energy and converts it into some other form of energy or into work.
Fields examples of exam questions at physics a2 level for gravitational and electric fields covering edexcel, aqa and ocr material. Electric motor what is a split ring commutator a split ring commutator sometimes just called a commutator is a simple and clever device for reversing the current direction through an armature every half turn see the previous page the commutator is made from two round pieces of copper, one on each side of the spindle. Dec 03, 2018 a magnetic field cannot be seen by the naked eye but can be detected by using a simple tool such as a compass. Insulator insulators, such as wood and plastic, are materials that do not easily transmit heat, cold or electricity. All the topics considered in the gcse physics syllabus. This website and its content is subject to our terms and conditions. The steel mass is raised by an electric motor and then falls under gravity. Electromagnetic forceelectric motor this link contains more exercises about igcse physics.
Gcse revision notes physics revision notes electricity 1. May 31, 2017 a gcse revision video designed to help you learn about the electric motor, force in a current carrying wire and interactions between magnetic fields. Physics notes form 2 free download kcse revision notes pdf. The direction of the force will depend on the direction of the magnetic field and the direction of the current in the field.
Armature or rotor this consists of a thin copper wire coiled around an iron core, hence when electric current flows it acts as an electromagnet. Cambridge igcse physics past paper questions and answers. See more ideas about physics, physics formulas and this or that questions. Alevel physics advancing physicsmotors wikibooks, open. Physics igcse 2012 exam revision notes by samuel lees and adrian guillot 1. Motor cie igcse physics revision notes save my exams. The first figure or page number always refers to the gcse physics book. However, remember that forces come in pairs the permanent.
This discovery brought about the development of electric bells, electric motors, telephone receivers and radios. This is why, the pdf books that we presented always the books later incredible reasons. Here is a fun way to explore the inner workings of a simple motor. The model used is a simple model which you can do as a class activity or a class demo by. Gcse physics electromagnetism medium demand questions questionsheet 12 a a simplified electric motor consists of a coil of wire connected to a battery and positioned between two magnets see diagram. Small electric cells commonly called batteries, as in aa batteries are examples of simple batteries for everyday use. Gcse sciencethe motor effect wikibooks, open books for. The new 91 scale is intended to give a wider range of grades for students previously obtaining a c grade or higher. Gcse science physics 91 the electric motor youtube. Different parts of an electric motor and their function. Electric circuits electricity means the flow of electric current. The current is the flow of electrons through a wire. The commutator is made from two round pieces of copper, one on each side of the spindle.
Read book igcse physics study guide has become a habit, you will not create it as distressing undertakings or as boring activity. Jul 25, 2012 schoolphysics is an online resource base for all 11 to 19 year old physics and science students and their teachers. Introduction physical phenomena associated with the presence and flow of electric charge is known as electricity. Gcse aqa physics lesson on series circuits using key content from aqa exam specification. This force is between subatomic particles such as protons and electrons. Gcse physics b provides distinctive and relevant experience for students. Although many of us have learned how a basic motor works, from simple science books and web pages such as this, many of the motors we use everydayin everything from factory machines to electric trainsdont actually work that way at all. Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. A simple experimental demonstration will show you that this is true.
A simple electric motor can be built using a coil of wire that is. The following student books have been selected for aqas official approval process. Motor consists of a coil in a uniform magnetic field. This gcse physics electricity quiz takes a look at the motor effect. Download answers to the practice and summary questions in your aqa gcse sciences 91 biology, chemistry and physics student books.
Making your own motor is an excellent introduction into the world of technology. In a motor, the wire is wound around a central block called an armature. Electricity and electrical phenomenon have a lot of applications in our day to day life and they also gives a wide variety of wellknown effects, such as lightning, static electricity, electromagnetic induction and the flow of electrical current. The frequency of the wooden bar is 2 hz and produces waves with a wavelength of 0. Aqa a2 physics exam style questions answers chapter 1. We use cookies to enhance your experience on our website. Electric motors revision and coursework igcse physics. Suggested books for cie physics course examination.
The catapult effect motor effect is used to make a simple electric motor spin round. Aqa physics gcse exam style questions p4 electric circuits. Physics at a glance, animations, exam specifications, data, diagrams. P15 homework booklet 214 229 use gcse physics book pages. The current of induced potential and the direction of the movement along with a basic understanding of an ac generator, dc generator and transformers are further examined in this section of. A gcse revision video designed to help you learn about the electric motor, force in a current carrying wire and interactions between magnetic fields. Conservation of energy demands that the work input be equal to the sum of the work output and the heat lost to friction.
The other side will feel a force pushing it downwards, so the loop will rotate. Pdf cambridge igcse physics duncan, tom achmad riyadi. Revise the uses of electromagnets for powering electric motors with bbc bitesize gcse physics. A metal coil sits in a magnetic field and is connected flemings lefthand rule can be used to explain why the coil turns. Describe or show a batterypowered electric motor lifting a mass up. Gcse electricity revision of the motor effect in wires. If a wire carrying a current is placed inside this magnetic field, a force is produced. When you rub a plastic rod with a cloth, it becomes negatively charged. The voltage is the force push or potential difference that pushes electrons around the circuit. You can gain many minister to and importances of reading.
An electric motor is a rotating device, which is made to convert electrical energy into mechanical energy. Place a currentcarrying conductor in an external magnetic field perhaps between two bar magnets, and the fields will push against each other. As current passes around the loop of wire, one side will experience a force pushing it upwards. The central part of the motor is a cylinder called the armature or rotor. This booklet will be the equivalent of 2 set homework tasks and will be handed in. By continuing to use our website, you are agreeing to our use of cookies. The motor effect is the term used when a currentcarrying wire in the presence of a magnetic field experiences a force. Classical electrodynamics a lecture note style textbook intended to support the second semester primarily the. You are expected to attempt all questions in the booklet.
The power station that produced the electricity for the electric motor is 40% efficient. Student book edexcel international gcse 91 physics develop. Schoolphysics is an online resource base for all 11 to 19 year old physics and science students and their teachers. The magnetic field then causes a force with a magnet that causes movement or spinning that runs the motor. Easily share your publications and get them in front of issuus. Edexcel international gcse physics student book sample chapter. All the topics considered in the gcse physics syllabus the. Electricity, magnetism and optics department of physics. Physics at a glance, animations, exam specifications, data, diagrams, photographic images and more. Aqa gcse sciences student book answers separate sciences download answers to the practice and summary questions in your aqa gcse sciences 91 biology, chemistry and physics student books. If you appreciate the help, consider tipping me to keep me going. Finally, a comparison between different motors is presented. Electromagnetism is also used to describe how a magnetic field is created by the flowing of electric current.
Instead of only 4 grades between c and a, there are now 6. This is a great project for use in the classroom or at home. An electric motor converts electrical energy into physical movement. Brown physics textbooks introductory physics i and ii a lecture note style textbook series intended to support the teaching of introductory physics, with calculus, at a level suitable for duke undergraduates. Advanced physics for you the friendliest physics book for as and a2 students. Gcse sciencethe motor effect wikibooks, open books for an. Aqa gcse biology student book 97814718539 early 2016. An electric circuit is a complete path through which electricity travels circuits are made up of wires and electrical parts such as batteries, light bulbs, resistors, motors and switches a circuit diagram is a shorthand method of describing a working circuit.
Special relativity such as introductory concepts, time dilation, length contraction, simultaneity, energy and momentum, fourvectors. This is where teaching and learning resources can be downloaded and added. Electrical engineering generators electric motor transformers physics education cod alcohol dispenser electrical wiring. One of the important applications of electromagnetism is the electric motor. The opposite is done by generators that convert mechanical work to electrical energy.
How are electromagnetic effects used in the simple dc motor. Place a wire that is connected to a power pack in between the poles of a horseshoe magnet. What is an electric motor an electric motor is a device that transfers electrical energy into rotational energy. Get access to all of the gcse physics past paper questions by topic along with the corresponding mark schemes through mme. Rotational energy is a form of kinetic energy electric motors have a wide variety of uses how does a simple electric motor work the catapult effect motor effect is used to make a simple electric motor spin. Gcse physics electromagnetism 3 the electric motor.
Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. The basics of electromagnets, the motor effect and flemings lefthand rule are all learnt in further detail by students of the gcse physics syllabus. The diagram shows a simple motor using direct current. An electrical motor is a device that converts electrical energy to mechanical energy. Cambridge igcse physics 0625 past paper questions and answers. Simple harmonic motion formula sheet best photos about formula. An atom consists of protons positive, neutrons neutral, and electrons negative. The motor effect place a currentcarrying conductor in an external magnetic field perhaps between two bar magnets, and the fields will push against each other. Commutator a commutator is a copper ring split in two halves. Electric motors electromagnets higher edexcel gcse.