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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Electrical mobility ： ウィキペディア英語版 Electrical mobility :''For other uses, see electric vehicle.'' :''For the electrical mobility of an electron or hole in solid-state physics, see Electron mobility.'' Electrical mobility is the ability of charged particles (such as electrons or protons) to move through a medium in response to an electric field that is pulling them. The separation of ions according to their mobility in gas phase is called Ion mobility spectrometry, in liquid phase it is called electrophoresis. ==Theory== When a charged particle in a gas or liquid is acted upon by a uniform electric field, it will be accelerated until it reaches a constant drift velocity according to the formula: : $\backslash ,v\_d\; =\; \backslash mu\; E$ where * $\backslash ,\; v\_d$ is the drift velocity (m/s) * $\backslash ,\; E$ is the magnitude of the applied electric field (V/m) * $\backslash ,\; \backslash mu$ is the mobility (m2/(Vs)) In other words, the electrical mobility of the particle is defined as the ratio of the drift velocity to the magnitude of the electric field: : $\backslash ,\backslash mu\; =\; \backslash frac$ Electrical mobility is proportional to the net charge of the particle. This was the basis for Robert Millikan's demonstration that electrical charges occur in discrete units, whose magnitude is the charge of the electron. Electrical mobility of spherical particles much larger than the mean free path of the molecules of the medium is inversely proportional to the diameter of the particles; for spherical particles much smaller than the mean free path, the electrical mobility is inversely proportional to the square of the particle diameter. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Electrical mobility」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.