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Magnetic Flux Density

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Key Stage 4

Meaning

Magnetic flux density is the strength of a magnetic field.

About Magnetic Flux Density

The SI Unit of magnetic flux density is the Tesla (T).
Magnetic flux density is greatest at the poles of a magnet.

Examples

MagneticFieldRegions.png
UniformMagneticField2.png
The magnetic flux density is greatest at the poles of this bar magnet. The magnetic flux density is the same everywhere in a uniform magnetic field. The magnetic flux density between two magnets depends on the distance between those magnets. The smaller the distance the greater the magnetic flux density.