A Level Physics CURRENT ELECTRICITY Electric current.

DEFINITIONS
Electric currant is the rate of flow of electric charge

I = dQ / dt
Electric charge is measured in coloumbs, 1 coloumb is one mole ( 6.24 * 1018 ) of single positive charges. Thus one electron carrys a charge of -1.60 * 10-19.

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Rob Coles 26 May 1996 16:21:28