Magnetic fields can be shown using field lines. It may help to reject any answers that you feel are obviously wrong, so that you can focus on choosing the right answer. Specifically in which direction do the lines run in a field diagram? Multiple choice questions appear in both exam papers, and at both Tiers. This induces an alternating current in the, Permanent and induced magnetism, magnetic forces and fields - Eduqas, Magnetic effects of currents and the motor effect - Eduqas, Induced potential and transformers - Eduqas, Home Economics: Food and Nutrition (CCEA).
Match. What is the name of a long (empty) coil of wire used to produce a magnetic field? OCR Gateway Science, GCE Physics, Paper J249, 2016 - Higher. At least, that’s the fancy way of putting it (and who doesn’t like being fancy every now and again? Have fun. Type of metal used, current in the wire. Useful resources.
What is another term for substances that can only be temporarily magnetised? GradeGorilla is a FREE Science Revision Questions website. Steel. Sign in, choose your GCSE subjects and see content that's tailored for you. Physics is often described as one of the toughest sciences. They change one variable at a time, keeping the others contstant. EmmaLeveson. Page 1. home NEED HELP? 1. Understanding how to approach exam questions helps to boost exam performance. GCSE PHYSICS - Revision Quiz for Magnets, Electromagnetism, Circuit Breaker, Motor, Generator, Transformer, Energy Resources and Power Stations. You have four options to choose from in a multiple choice question.
[1 mark], b) The strength of the current is then increased. The magnetic field can then be turned on and off. In this animation, the magnetic field moves from North to South.. Biology. Here’s what our oh-so-amazing GCSE Physics revision quizzes cover. The iron has magnetism induced by the magnet. I agree - If an iron bar is placed in the middle of this coil, a strong electromagnet is produced. A transformer works because an alternating ______ in the ______ coil produces a changing ______ field in the ______ and then in the secondary coil. Why is an un-magnetised iron object attracted to a magnet? What are magnetic poles called? 1. Thickness of the wire, type of metal used. Luckily, we have a way for you to learn all the core National Curriculum stuff for GCSE Physics in a way that won’t send you to sleep (or make you wish you were a cyborg on another planet who didn’t have to deal with exams). AQA GCSE physics paper 2 Magnetism and Electromagnetism 58 Terms.
As your GCSE Physics exams get closer, the revision can feel overwhelming. B).
Multiple choice questions are asked as questions, often starting with 'What is …' or 'Which of these …'. Sometimes you can gain a second mark by giving the units in a calculation or stating specific data points, eg the speed of the object decreased by 8 m/s. two poles (North and South) produce a magnetic field (a field where magnetic materials or other magnets experience a force) MG field = from North to South
Aluminium; B). In fact, most of it requires some serious brain power. We’ll teach you all about waves, nuclear fusion, ultrasounds, medical physics, light, hydraulics and even electrical currents. (Fun GCSE Physics revision quizzes to teach students in Year 10 and Year 11). Questions will include multiple choice, descriptions and explanations, using mathematical skills and extended response. a) The magnetic field lines have a circular pattern. Spell. Exam Tips - … The Revision Cycle. it will swap the contacts every half term in order to keep the motor turning in the same direction. There are loads of Physics quizzes for you to try and you can complete them as many times as you like, from anywhere you fancy!
A transformer works because an alternatingcurrentin theprimarycoil produces a changingmagneticfield in thecore/primaryand then in the secondary coil. Magnets repel and attract other magnets, and attract magnetic substances. Sign in, choose your GCSE subjects and see content that's tailored for you.
When the coil is rotated, an alternating voltage is produced at the output. State what happens to the magnetic field when the current is turned off. Quizlet will be unavailable from 4-5 PM PT. A magnetic field line shows the direction of force acting on. Where is the strongest magnetic field around a bar magnet?
When magnets and metal bars are close together they experience forces. 2. Learning GCSE Physics: Electricity, Forces and Light (Fun GCSE Physics revision quizzes to teach students in Year 10 and Year 11) Physics, as all you smart cookies know, looks at the nature and properties of matter and energy. APerson231. Photo Card 25 Terms. Our team of exam survivors will get you started and keep you going. No thanks - The strength of the magnetic effect of a solenoid can be changed. State how the magnetic field changes.
Terms in this set (12) Magnets. OTHER SETS BY THIS CREATOR. You know, the kind that allows you to give a definition of terminal velocity without breaking into a hot sweat. You have four options to choose from in a multiple choice question. Why study Science? [1 mark]. The iron has charged particles which attract the electrons in the magnet. A). The Following Section consists Multiple Choice Questions on Magnetism and Electromagnetism. Flashcards.
The strength of the current is then increased.
AQA GCSE - Magnetism. This shows that... 5. Luckily, we think you’re tougher.
9. Take a look at our GCSE Grades article.
Which 2 variables were found to affect the field strength? Which direction does the wire move? OCR Gateway Science, GCE Physics, Paper J249, 2016. The current is travelling into the coil on the left hand side and leaves on the right hand side.. Fleming's Left hand rule can be used to show the direction of the force (marked by the green arrow). D). This induces an alternating current in the ______ coil. increase the strength of the magnetic field that a wire produces by wrapping the wire into a coil called a solenoid. Describe the shape of the magnetic field lines. Schools can register to monitor progress. Physics GCSE - Magnetism and Electromagnetism.
[1 mark], Which of the following is not needed to generate ac in an alternator? AQA GCSE digital textbooks From the makers of Grade Gorilla: GGebooks.com (Opens in a new tab) These questions are about magnets: 1. Home Economics: Food and Nutrition (CCEA). Why is an un-magnetised iron object attracted to a magnet? Current in the wire, distance from the wire.
Which row gives the correct description of the effect between these materials?
We use cookies to make your experience of our website better. Which term describes alloys which include iron? permanent produce their own magnetic field. A magnetic compass points North. Past papers. Which term describes alloys which include iron? of these options, by writing your answer (A, B, C, or D) in a box. Which of these diagrams shows the magnetic field lines around the north pole of a magnet? Take the Quiz and improve your overall Engineering. Which of these diagrams shows the magnetic field line pattern (red lines) around a single straight wire carrying a current? Questions will include short answer, structured, data response and extended response questions.
10. If you are asked to describe a graph, you will be expected to write about its overall shape, whether it is linear or curved, the slope of gradients etc.
b) There will be more field lines and they will be closer together. [1 mark]. To comply with the new e-Privacy directive, we need to ask for your consent - Created by. a current carrying wire between 2 magnets has a magnetic field that interacts with the magnetic fields of the 2 other magnets.
PLAY. 8. Topic summary power points, quizzes and checklists to help with revision for AQA Combined Trilogy Science. Talking of revision, we’ve written a really helpful article on the best ways to revise at GCSE Exam Revision Help. Magnetism and magnetic forces - Multiple choice questions, You have four options to choose from in a multiple choice question.
C).
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