These notes will be really helpful for the students giving the Physics exam in ICSE Class 10. Power Stations and the National Grid. The notes contain an overview and question answers of the chapter. Nice website, However, there is just a minor issue. If a steel bar is placed so that it lies in the direction of the magnetic field lines of a strong magnet and then hammered gently, the domains will begin to line up in the direction of the field. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. One method in which electrons can be moved or transferred is by rubbing two insulators together. When the ions reach their respective electrodes, they gain or lose electrons. Acids, Bases and Blockchain + AI + Crypto Economics Are We Creating a Code Tsunami? any more good websites for notes anyone knows ?? This website is awesome! Yup, well done on spotting that!! Topic 5: Atomic Physics . It will discharge into Pb2+ ions and Br ions. The cations move towards the cathode, where they will gain electrons from the cathode to become atoms (in a positive ion, there are more protons than electrons, so in order to become an atom, they need to gain those extra electrons to become neutral). Specifically, these are for the second unit: Electricity. I made these following the specification very closely so they should be thorough and cover everything. GCSE Physics: Electricity. A reaction where electrons are lost is called oxidation and a reaction where electrons are gained is called a reduction. 2Cl(aq) 2e> Cl2(g) Our teachers have prepared these concept notes based on the latest ICSE syllabus and ICSE books issued for the current academic year. Lets take the example of the purification of copper using an aqueous copper sulfate solution. The ions present are H+, SO42- and OH-. it actually helps me a lot for my preparation. Awesome Website. Now, electrolysis can be carried out. Now customize the name of a clipboard to store your clips. Voltage and Resistance [FREE] - Voltage is also known as potential difference. Advertisement Papers 1-6. Sarah says: March 1, 2021 at 5:45 am . For each of the exam boards below, there are revision notes, factsheets, questions from past exam papers separated by topic and videos. At the anode, chloride ions lose electrons and is discharged as chlorine gas. For example, when a ball is dropped, gravitational potential energy becomes kinetic energy If u need a hand in making your writing assignments - visit www.HelpWriting.net for more detailed information. These are the notes I used to revise for my GCSEs in 2019. Extraction of metals Some metals (eg. Course Hero is not sponsored or endorsed by any college or university. It contains water (H2O) as well. In a magnet, like poles repel and opposite poles attract. To extract the metal - heat the solid compound of the metal until it melts - pass an electric current through the molten compound. Potentiometer - A potentiometer can give the circuit a certain level of control. 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This website has really helped me with my revision for the test for biology and still is for my chemistry. Revision for CAIE Physics IGCSE, including summary notes, exam questions by topic and videos for each module. Create your own unique website with customizable templates. The ions remaining in the solution are Na+ and OH. The current in the circuit increases if more cells are connected. Hey, thank you for your effort and time. IGCSE Physics 0625 notes Topic 4: Static Electricity 1 TOPIC 4 STATIC ELECTRICITY . in parallel to the flow of current. Cl2-(g) 2e -> Cl2(g). If you have any queries, complaints or suggestions, feel free to comment, or write to us at: these notes are summary for all the formulas you need to know in IGCSE physics, if you study these notes very well beside past papers. During our four-year journey with CIE, weve managed to grab several Cambridge Learner Awards, including one Top in World and five Top in Country (India) awards. Thus every bulb lights up with the same brightness. Static electricity is the imbalance of electrical charge on an insulated material. The anions move towards the anode, where they will lose electrons at the anode to become atoms (in a negative ion, there are more electrons than protons, so in order to become an atom, they need to lose those extra electrons to become neutral). -The region within which electric charges effect can be felt is known as the electric field.The electric field lines travel from the positive side to the negative side. LDRs and Thermistors - Really useful . GCSESCIENCEREVISION.com - Electricity Electricity Topic Summary In this topic, you need to know about: Current, Potential Difference and Resistance (V = I x R) Charge, Current and Time (Q = I x t) Circuit symbols and diagrams Characteristic behaviour of various electrical components including lamps, diodes, thermistors and LDR's IGCSE PHYSICS NOTES. Electricity can be generated from a magnetic field using electromagnetic induction. Topic 2: Thermal Physics. Atoms, Elements & Compounds. Remember: The field lines never cross over or touch each other, and are always drawn from the north pole to the south pole. Show more. . State and use the general principle that metals or hydrogen are formed at the negative electrode (cathode), and that non-metals (other than hydrogen) are formed at the positive electrode (anode). Examples of metals used for plating: silver, gold, tin and chromium. GCSE Physics (Single Science) Electricity learning resources for adults, children, parents and teachers. Experimental techniques (none) Topic 3. 1 of 22 IGCSE Electricity Nov. 15, 2011 80 likes 27,395 views Education Business Technology IGCSE Electricity and Chemistry unit Carole Paquette Follow MYP Coordinator Advertisement Recommended Electrolysis lisa14hazel Electrolysis revision sue forshaw 4s4 electrolysis ( Part 1) kaiying 6.3 (a) electrolysis of an aqueous solution Azieda Dot Glad you like it, and good luck for your exams!! thanks you very much! So in this case, copper will be discharged at the cathode and chlorine will be discharged at the anode. The Cambridge IGCSE Physics syllabus helps learners to understand the technological world in which they live, and take an informed interest in science and scientific developments. At the anode copper atoms lose electrons. Chemistry It becomes the cathode. Electrical method. These materials highly conduct at all.Their electrons are tightly packed together and are not free to move. We're on a mission to end educational inequality for young people everywhere. Concept: Conventionally current flows in the opposite direction of. GCSE Combined Science Electricity learning resources for adults, children, parents and teachers. IGCSE HAND WRITTEN NOTES GRADE 8-10 PHYSICS 1. Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. Chemical Reactions 8. These notes were very helpful but i was having little bit confusion in reactivity series the series that i had learnt that is Now, its simple: The Cu2+ ions will move towards the cathode and undergo reduction to gain electrons and become Cu atoms. Resistors, Filament Lamps and Diodes [FREE] - Including their characteristics. The ions with the lower reactivity will be discharged at their respective electrodes.When aqueous solutions of acids are electrolysed, oxygen is formed at the anode and hydrogen is formed at the cathode. Change). Learn how your comment data is processed. An electric circuit is a complete path through which. Reply. . I am struggling a lot in chemistry this year and I understand a lot better with this website! Electrodes are the rods that carry the electric current to and from the electrolyte. This is inline with the principle of conservation, _____________________________________________________________________________________, This textbook can be purchased at www.amazon.com. Bauxite is first crushed and mixed with sodium hydroxide. (Chlorine is less reactive than hydroxide). IGCSE Physics (15) - Electrical Quantities - IGCSE STUDY BANK This video is aimed to guide you through the topic of series and parallel circuits, along with various circuit components such as potentiometers, relays, the. Introduction to electrochemistry by t. hara, 6.3 (a) electrolysis of an aqueous solution, Tro chapter 18.1 & 18.3 18.9 electrochemistry spring 2015v4.6(1) (1), Science chemistry @ Separation and purifying methods.ppt. The overall reaction can be written as: Pb2+(aq)+ 2Br(aq) >Pb(s) + Br2. take your time!! Like charges repel; opposite charges attract. The ions which makes water are H[+] and OH[-]. As they do, the steel bar itself becomes magnetised. (When plating an object with silver, silver nitrate can be used as the electrolyte). An impure strip of copper acts as the anode and a thin pure strip of copper acts as the cathode. (LogOut/ The other method of purifying to use normal inert electrodes. Thank you so much for your kind words, and good luck with your website!!! The electrolyte is a solution of an ionic compound of the plating metal. The plating metal is connected to the positive pole of the power supply. Cu2+(aq) + 2e > Cu(s). Past-paper questions on transformers, generation and circuits. If an extremely high current flows through the circuit breaker, the electromagnet gets stronger and pulls the iron catch towards it. So oxidation occurs at the anode. sodium, aluminium) are obtained by electrolysis. Magnetic materials are materials that are attracted to magnets As a general rule, whenever an aqueous solution is electrolysed, the hydroxide ion will be discharged at the anode, giving off oxygen, unless a halide is present in that case, chlorine, bromine or iodine (depending on whichever one is present in the solution) will be discharged at the anode instead. The theory of electricity was developed with respect to positive charges. When an electric current is applied, the positive ions move towards the negative electrode, the cathode- this is why the positive ions are called cations; and the negative ions move towards positive electrode, the anode- these negative ions are then called anions. Electroplating is use to put a thin layer of one metal on top of another metal. Voltmeter: A voltmeter is used to measure the magnitude of potential difference between two points in a circuit. Induced e.m.f. At the cathode, the copper ions gain electrons to become copper atoms which form a thin layer on the surface of the object to be plated. Click here to review the details. Edexcel Physics IGCSE Topic 2: Electricity Summary Notes (Content in bold is for physics If you're looking for something specific, try the Physics Index or Glossary . Thank you so much!! K Na Ca Mg Al Fe Zn H Cu Pt Ag. The pattern of the magnetic field lines can be shown by sprinkling iron filings around a bar magnet. (LogOut/ Its fairly simple to predict these results. This is then heated to extract the aluminium oxide. there is wrong information here the lead ions (Pb2+) are called cations, not anions, and are attracted to the cathode. Electric Current. These are materials which allow electrons to pass through them.Metals are the best conductors. The overall reaction can now be written as: Cu2+(aq)+ Cl2-(g) ->Cu(s) + Cl2(g). In the following circuit, state the direction of flow of electrons: Electric current is charge flowing through a point per unit time. GCSE Physics 8463. Other than that, I really love this site . (You'll learn more about the reactivity of elements here ). Current, Voltage, and Resistance. It will be logical to say that it is equivalent to. However after discovery of atom it was found that, positive charge does not move in conductors. Rubbing causes friction between the two surfaces increasing the surface contact and . 5. sarahliju@gmail.com. The IGCSE AID Team is based in the little state of Kerala in South India. -Potential difference across a component is the work done per unit charge in driving charge through the component. The Particulate Nature of Matter 2. Example: Iron. 1.1 Physical Quantities & Measurement Techniques 1.2 Motion 1.3 Mass, Weight & Density 1.4 Effects of Forces 1.5 Moments 1.6 Momentum 1.7 Energy, Work & Power 1.8 Energy Sources 1.9 Pressure. Objects can be given one of two types of electric charge: When two charged objects are brought close together, there will be a force between those objects, Electric charge is measured in units called. C6. Objects can be given one of two types of electric charge: Positive Negative When two charged objects are brought close together, there will be a force between those objects Like charges repel; opposite charges attract Remember: Opposite charges attract Like charges repel EXTENDED Electric charge is measured in units called coulombs (C) Charge moves faster at smaller cross section of the wire and vice versa. IGCSE Physics 0625 notes Topic 4: Static Electricity 1 TOPIC 4 STATIC ELECTRICITY ELECTRICITY: Electricity is the flow of electrical charges or power. The liquid aluminium falls into the bottom of the cell. Lecture 5-6: Hydrogen, Storage & Batteries, The periodic table and identification of ions, Irresistible content for immovable prospects, How To Build Amazing Products Through Customer Feedback. The description of electrolysis of lead bromide says the water has its own ions which O[2-] and 2H[+]. Magnets can only be tested by repulsion, because only two magnets will repel each other, while magnets can attract unmagnetised magnetic objects. Good luck with your exams! At the anode, the copper atoms in the impure copper strip, lose their valence electrons (oxidisation at anode) to form copper ions. (Youll learn more about the reactivity of elements here). Electricity and Electric Current [FREE] - The rate of flow of electrons. It is connected parallel to the component, -Emf of a cell is the work done per unit of charge by the cell in driving charge round a complete circuit(including the cell). Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. Support us. The become copper ions which go into the solution. Activate your 30 day free trialto continue reading. General Physics 2. tell me if I am wrong please. 1. 4. Download & Study: IGCSE Physics Test/ Worksheet - 2 Solved downloadandstudy.blogspot.com. 4OH (aq) -> O2 (g) + 2H2O(l) +4eAt the cathode copper ions rather than hydrogen ions are discharged, as copper is lower in the reactivity series. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Free high-quality revision notes for CAIE IGCSE Physics 0625 Theory, covering all the modules and updated to the latest syllabus specifications. Actually Im making one of my own for this years IGCSE coordinated sciences, because as you may know, they have changed the syllabus. across the components in a series circuit is equal to the total potential difference across the supply. August 25, 2020 By IGCSE Examguru Leave a Comment. 2Br(aq) > Br2 + 2e Learn faster and smarter from top experts, Download to take your learnings offline and on the go. IGCSE Physics Revision Notes from OxNotes, Free IGCSE & GCSE Revision resource with a simple & helpful layout. Electricity and chemistry Electrolysis- breakdown of an ionic compound in molten or aqueous solution by the passage of electricity. Uses of Electricity: Heating Motors Lighting etc. pptx, 470.39 KB. If the curriculum has changed since then, it's your responsibility to identify the relevant from the irrelevant. Notes Physics (formulae and constants) 2 Forces & Motion 3 Forces & Pressure 4 Forces & Energy 5 Thermal Effects 6 Waves & Sounds 7 Rays & Waves 8 Electricity 9 Magnets & Currents 10 Electrons & Electronics At the anode, the oxide ions lose electrons (oxidisation) and become oxygen. Clipping is a handy way to collect important slides you want to go back to later. One method in which electrons can be moved or transferred is by rubbing two insulators together. View Summary Notes - Topic 2 Electricity - Edexcel Physics IGCSE.pdf from ECON 203 at University of Phoenix. IGCSE AQA GCSE Physics Edexcel GCSE Physics OCR GCSE Gateway Science Physics OCR GCSE 21st Century Science Physics Doc Brown's school physics revision notes: GCSE physics, IGCSE physics, O level physics, ~US grades 8, 9 and 10 school science courses or equivalent for ~14-16 year old students of physics Ammeter: An ammeter is used to measure the magnitude of current flowing in a circuit. Chemical Energetics 7. However, I would like point out about the lead bromine solution. Test charges are taken positive. We've encountered a problem, please try again. IGCSE Physics notes - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. Example: Steel. Also, electrical transformers tutorials are extended. . Atomic Physics CHEMISTRY 1. Electricity and chemistry. Notes and questions on GCSE physics. Lindsay graduated with First Class Honours from the University of Greenwich and earned her Science Communication MSc at Imperial College London. Best 3 Revision Videos for Kinetic Energy Best 3 Revision Videos for Current in Series Circuits . Transistor - A transistor is an electrically operated switch. Electricity means the flow of electric current. Simple phenomena of magnetism Magnetic forces are due to interactions between magnetic fields. Grade 10 Chemistry. Current was flowing from B to A. Topic Notes. As it is molten solution shouldnt lead and bromine be in liquid state? Its because less reactive elements/ molecules are more stable (their ions are less stable), so they try to form their element/ molecule more vigorously than a reactive element/ molecule. o Cylinder: x radius2 Struggling with Physics? Or this equation might make more sense: The electrolyte is aqueous copper(II) sulfate solution.Because they are not inert the electrodes can react. Hammering. So, lets start from the very beginning without further introductions. The electrolyte is the compound that conducts electricity when molten and breaks down during electrolysis. Static Electricity pptx, 460.45 KB. Become a Contributor Become an Intern For teachers & experts For schools & Universities . Why less reactive elements are formed at electrode? ), her love of communicating, educating and Physics has brought her to Save My Exams where she hopes to help as many students as possible on their next steps. Cu(s) 2e >Cu2+(aq), The copper ions move to the cathode. The effect can be increased by slightly heating the steel bar first. We will be covering the topic of electrical quantities in two videos. In water (its an aqueous solution!) Example This can be done through electrolysis. The anodes are all dipped into the cryolite from above. For rectifications reach out to the subject lead. Current Electricity | GCE O Level Physics | Best Notes (5054) Current electricity is a very important topic in Physics and there are multiple concepts that will be discussed in this topic such as: Therefore, there are a lot of concepts that you should know about this topic. This was last updated May/June 2019. is the same in all parts of the circuit. Core & Extension Bonding: Covalent Bonding Updated. worksheet igcse physics worksheets grade papers past math study compiled printables They learn about the basic principles of Physics through a mix of theoretical and practical studies. It becomes the anode. CIE IGCSE Physics Revision. The Dynamo Effect. Atoms, Elements and Compounds 4. When a small current enters the base, a larger current can flow between the collector and emitter. Static electricity is caused by the transfer of charge (transfer of electrons). Sodium aluminate is formed (2NaAlO2). Youre absolutely right, and Ive gone and updated the notes accordingly OH will undergo oxidisation to lose electrons and become water and oxygen. Imagine some, negative charge q moves from point A to B. Topic 1: General Physics. Dangers of Electricity: Electrocution or shocks can be caused due to: Damo conditions Poor insulation Over heating Measurement of Electricity: Electric Power: In order to calculate power, we use the formula: Power = work/time as studied earlier We know that V = W/Q and Q =IT SO W = VQ or W= VIT. Electricity and Magnetism 5. IGCSE Business Studies A* Notes Prepared by Specialist Tutor. Particulate nature of matter (none) Topic 2. on the other hand, bromide ions (Br-) are called anions, not cations, and are attracted to the anode, i love this website. 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IGCSE Business Studies (0450) A* Notes, Chapter one: Understanding Business Activity, Chapter two: people in business. Al2O3(s) + 2NaOH(aq) -> 2NaAlO2(aq) + H2O The IGCSE AID Team is based in the little state of Kerala in South India. Electrical Power. Current in a wire is NET flow of electron in a certain direction. Whilst electrostatic forces share many similarities with magnetic forces, they are different phenomena take care not to confuse the two! Because the carbon anodes burn away due to this reaction, they need to be replaced from time to time. this will discharge into Cu2+ ions and Clions as well as the waters (H2O) H+ ions and OHions. 0625-IGCSE PHYSICS-REVISION NOTES / Electricity and magnetism-Study-Notes Please login to view the content 4.1-Revision-Notes-Simple-phenomenon-of-magnetism.pdf Energy changes in chemical reactions . Electricity Notes for IGCSE.pdf - IGCSE Physics Concepts of Physics (Electricity) 1. Cu2+ (aq) + 2e -> Cu(s) The positive electrode is called the anode and the negative electrode is called the cathode. The charges could be in the form of electrons or ions. 1. IGCSE Physics Concepts of Physics (Electricity) 1. Using a stronger magnet. One method of doing so, is using the metal we want to purify as electrodes (instead of an inert one like platinum or graphite). At the cathode, aluminium ions gain electrons (reduction) and are reduced to aluminium metal. In the electrolysis of aqueous copper chloride, copper (a metal) was formed at the cathode, and chlorine (a non-metal) was formed at the anode. Activate your 30 day free trialto unlock unlimited reading. During . Find a one-to-one tutor on our new Tuition Platform . Conventionally current flows in the opposite direction of flow of electrons. We apologise for the inconvenience, but hope that the new images will provide you with an even better learning experience. 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. . At the anode, hydroxide ions from the water will get discharged instead of sulfate ions, as hydroxide is lower in the reactivity series. The charges could be in the form of electrons or ions. 2O2- 4e > O2 The electrolyte isCuCl2. C5. It should be noted that whenever hydroxide ions discharge at a cathode, they give off oxygen: 4OH - (aq) -> 2H 2 O (l) + O 2 (g) However, in aqueous solution, the positive and negative ions that are less reactive is discharged at the cathode and anode respectively. Moving and storing heat. GCSE exams June 2018 onwards. 5. positive charges. Version 1.0 21 April 2016 In the electrolysis of dilute sulfuric acid, hydrogen was formed at the cathode and oxygen (a non-metal) was formed at the anode. The object can be anything made of metal. Static electricity is caused by the transfer of charge (transfer of electrons). say that positive charge q moved from point B to A. Electromagnetic force (e.m.f.) Topic Notes. Static electricity is the imbalance of electrical charge on an insulated material. Increasing the length of the wire cutting the magnetic field. Magnetic Effect of a Current near a A straight wire is placed compass. Electricity or electrical energy is a secondary energy source which means that we get it from IGCSE Physics Volume, Density and Mass Volume (cm3 ) - the amount of space an object occupies How to measure volume: For Liquids - use measuring cylinder and read the volume directly For Regular Solids - calculate using the objects measurements: o Cuboid: height x width x length o Sphere: 4/3 x x radius3 . Cu2+(aq) + 2e > Cu(s). Melting and Boiling. Number of pages 35. Dilute sulfuric acid H2SO4 (aq). Concept: Conventionally current flows in the opposite direction of flow of electrons. Aluminium oxide is found in the mineral ore called bauxite. 4OH2- 4e > 2H2O +O2. 2Br(aq) 2e > Br2. Thank you so much for pointing it out! Hydrogen will undergo reduction (gain electrons) to become hydrogen atoms. Good luck with your exams! These rods are usually inert, as in they do not react- usually graphite or platinum. Thermal Physics 3. The ions in the solution are Na+, H+, Cl and OH. We've updated our privacy policy. Electricity and Chemistry 6. Disclaimer:Due to unforeseen difficulties, we have had to take down the images on this notes page. We connect the object to be electroplated to the negative pole of the power supply. The anode loses mass as the copper atoms leave it, and the impurities fall to the bottom and is called anode slime. Hard magnetic materials are difficult to magnetise, but once magnetised, difficult to demagnetise. These copper atoms get deposited on the cathode. So, the aluminium oxide is dissolved in molten cryolite (cryolite is the term for sodium aluminium flouride- Na3AlF6). Class 10 Physics Notes - Chapter 14 - Current Electricity - Notes. Concept: Conventionally current flows in the opposite direction of flow of electrons. A concentrated aqueous solution of sodium chloride is called brine. linthasaleem7@gmail.com Say goodbye to ads. Back to Subjects | Back to Physics. These copper ions go into the electrolyte. Electricity flows in the circuit breaker through the metal contacts. Thank you for pointing that out! document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Aluminium is extracted from aluminium oxide through electrolysis. Electrolyte- is the substance that is decomposed, it is a substance that conducts electricity when in molten form or in solution. Now with many years experience as a Head of Physics and Examiner for A Level and IGCSE Physics (and Biology! I am trying to cover the syllabus on my own, so this has really helped me to understand the concepts and make my own notes.
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