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picture1_Motor Ppt 83390 | Mag Electromag


 141x       Filetype PPT       File size 2.36 MB       Source: www.iop.org


File: Motor Ppt 83390 | Mag Electromag
learning outcomes describe and explain the behaviour of permanent magnets including induced magnetism explain magnetisation and demagnetisation of ferromagnetic materials in terms of magnetic domains describe how magnetic fields arise ...

icon picture PPT Filetype Power Point PPT | Posted on 12 Sep 2022 | 4 years ago
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...Learning outcomes describe and explain the behaviour of permanent magnets including induced magnetism magnetisation demagnetisation ferromagnetic materials in terms magnetic domains how fields arise from moving charges e g current carrying straight wires plane coils solenoids a transformer works turns currents voltages vectors involved motor dynamo effects why electricity is transmitted at high voltage experience relevant demonstration class experiments overview contexts for teaching about electromagnetism electromagnets catapult effect motors electromagnetic induction generators lenz s law transformers transmission circus misconceptions all metals are static interact with poles located on surface magnet challenges cannot be seen directly three dimensional though commonly represented by d diagrams some students find it hard to understand can lose their strength that geographic north pole must south coil wire induces temporary iron core an electromagnet operation incl left hand rule bri...

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