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1Ленц ережесі. Өздік индукция. Индуктивтілік. Revision Activity.docx
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A |
B |
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How to induce an emf |
moving a wire through a magnetic field or create a changing magnetic field around a coil of wire |
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How to increase the emf induced in a wire |
Use a longer wire, move it through the magnetic field faster, use a stronger magnetic field |
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Unit for magnetic Flux |
Wb |
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Magnetic Flux symbol |
F |
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Another word for magnetic field strength |
Magnetic flux density (B) |
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Magnetic flux density |
The amount of flux passing through a unit area perpendicular to the magnetic field lines |
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Magnetic Flux, F = |
B x A |
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Unit for magnetic flux density |
Tesla , (Webers per m2) |
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Flux linkage |
The flux through n loops of wire in a coil |
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Flux linkage NF = |
N x B x A |
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