Physics » Magnetism » More Applications of Magnetism

Summarizing More Applications of Magnetism

Summary

  • Crossed (perpendicular) electric and magnetic fields act as a velocity filter, giving equal and opposite forces on any charge with velocity perpendicular to the fields and of magnitude

    \(v=\cfrac{E}{B}\text{.}\)

Glossary

magnetic resonance imaging (MRI)

a medical imaging technique that uses magnetic fields create detailed images of internal tissues and organs

nuclear magnetic resonance (NMR)

a phenomenon in which an externally applied magnetic field interacts with the nuclei of certain atoms

magnetocardiogram (MCG)

a recording of the heart’s magnetic field as it beats

magnetoencephalogram (MEG)

a measurement of the brain’s magnetic field

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