IsharaDS Posted February 6, 2011 Share Posted February 6, 2011 We all say a electron has a negative charge and proton has a positive charge.But I need to know what does a charge of a electron mean?Please can anyone explain this matter? Link to comment Share on other sites More sharing options...
ajb Posted February 6, 2011 Share Posted February 6, 2011 Consider a point particle in an electric field [math]\boldmath{E}[/math]. Then the charge is the ratio of the magnitude of the force experience by the particle and the magnitude of the electric field applied. [math]q = \frac{|\boldmath{F}|}{|\boldmath{E}|}[/math]. 1 Link to comment Share on other sites More sharing options...
swansont Posted February 6, 2011 Share Posted February 6, 2011 A charge means it interacts electromagnetically. As a result of electric fields, as ajb mentions, or magnetic fields if it's moving with any velocity component perpendicular to the magnetic field. 1 Link to comment Share on other sites More sharing options...
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