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Homework Help: The smallest unit of electric charge is what?

  1. Nov 15, 2007 #1
    what does this mean??

    "a smallest unit of electric charge of which
    other units are multiples"

    The smallest unit of electric charge is q. i dont understand the rest..
  2. jcsd
  3. Nov 16, 2007 #2


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    Homework Helper

    Charging of any body is due to the transfer of electrons. And the electrons can be transfered in whole numbers, not in fraction. Hence smallest unit of charge is the chare on electron, and that is equal to 1.6x10^-19 C. Charge on any body is given by n*e = n*1.6x10^-19C.
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