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electromagnetic field |
Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson | 0.04 sec. |
electromagnetic fieldProperty of space caused by the motion of an electric charge. A stationary charge produces an electric field in the surrounding space. If the charge is moving, a magnetic field is also produced. A changing magnetic field also produces an electric field. The interaction of electric and magnetic fields produces an electromagnetic field, which has its own existence in space apart from the charges involved. An electromagnetic field can sometimes be described as a wave that transports electromagnetic radiation. |
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| Polzik of the Niels Bohr Institute in Copenhagen, and their colleagues teleported traits of a dim laser pulse, including the strength of its electromagnetic field, onto a cloud of 1 trillion cesium atoms. Another example is instead of having a physical sensor on electromagnetic valve actuators, signals from the electromagnetic field generated could be used by software to "sense" the position of the valve without a physical sensor. To solve this problem, OMRON developed a new type of antenna technology that can electronically control the electromagnetic field emitted from the reader. |
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electromagnetic field
