<h2>Summary</h2>
<ul>
<li>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

<p>\(v=\cfrac{E}{B}\text{.}\)</p>
</li>
</ul>
<h2>Glossary</h2>
<h3>magnetic resonance imaging (MRI)</h3>
<p>a medical imaging technique that uses magnetic fields create detailed images of internal tissues and organs</p>
<h3>nuclear magnetic resonance (NMR)</h3>
<p>a phenomenon in which an externally applied magnetic field interacts with the nuclei of certain atoms</p>
<h3>magnetocardiogram (MCG)</h3>
<p>a recording of the heart’s magnetic field as it beats</p>
<h3>magnetoencephalogram (MEG)</h3>
<p>a measurement of the brain’s magnetic field</p>
<section data-element-type="conceptual-questions"></section>

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Summarizing More Applications of Magnetism

Physics is a science discipline concerned with the nature and properties of matter and energy. Physics topics include mechanics, heat, light and radiation, sound, electricity, magnetism, the structure of atoms, and so on.

Physics

Discover the properties of magnetism and explore topics such as magnetic fields, electromagnetic forces, and applications such as cathode ray tubes and magnetic resonance imaging.


Magnetism

Ferromagnets and Electromagnets

Force on a Moving Charge in a Magnetic Field: Examples and Applications

Magnetic Field Strength: Force on a Moving Charge in a Magnetic Field

Magnetic Fields and Magnetic Field Lines

Magnetic Fields Produced by Currents: Ampere’s Law

Magnetic Force between Two Parallel Conductors

Magnetic Force on a Current-Carrying Conductor

Magnets

More Applications of Magnetism

The Hall Effect

Torque on a Current Loop: Motors and Meters

Summarizing More Applications of Magnetism

Summary

Glossary

magnetic resonance imaging (MRI)

nuclear magnetic resonance (NMR)

magnetocardiogram (MCG)

magnetoencephalogram (MEG)

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