EM has various meanings in the Electronics category. Discover the full forms, definitions, and usage contexts of EM in Electronics.
Relating to a magnetic field created by an electric current.
ElectronicsThe visual examination of very small structures with a device that forms greatly magnified images of objects by using electrons rather than light to create an image. An electron microscope focuses a beam of electrons at an object and detects the actions of electrons as they scatter off the surface to form an image.
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