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electric field

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electric field

In physics, a region in which a particle possessing electric charge experiences a force owing to the presence of another electric charge. The strength of an electric field, E, is measured in volts per metre (V m−1). It is a type of electromagnetic field.

An electric field is formed between two metal plates that are parallel to each other and connected to a voltage supply. An electron beam moving through these plates will be deflected slightly towards the positive plate.


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When mounted just above a pad of electrically conductive foam and energized with thousands of volts, the needle produces a powerful electric field that ionizes the surrounding air, says University of Washington team member Nels E.
Tokyo, Japan, Feb 21, 2006 - (JCN Newswire) - NEC Corporation today announced the successful development of the world's smallest fiber-optic electric field probe, enabled through the adoption of a nanotechnology process.
 
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