Slide Preview for Physics 7 - Magnetism and Electromagnetism
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Powerpoint Description:
This slideshow covers the following content from the P7 topic from the 2016 syllabus: magnetic fields around a bar magnet, attraction and repulsion, permanent vs induced magnetism, magnetic metals, the Earth's magnetic field, plotting a magnetic field with a compass, magnetic field around a current-carrying wire, making electromagnets, how relays work, the motor effect, F=BIl, example questions on the force on a wire, electric motors, how loudspeakers work, electromagnetic induction, the generator effect, AC generators, how microphones work, how transformers work, the transformer equation, power conservation in transformers and example questions.Click here to register and to download this PowerPoint file
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