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Calculating the ratio of the mass of a toner particle to magnitude of its net charge

  1. Jan 28, 2007 #1
    Hi Im just having trouble figuring out this question. If someone can help me out it would be greatly appreciated

    The imaging drum of a photocopier is positively charged to attract negatively charged particles. Near the surface of the drum, its electric field has a magnitude of 1.40 * 10^5 N/C. A toner particle is to be attracted to the drum with a force that is ten times the weight of the particle.

    What is the ratio of the mass of a toner particle to the magnitude of its net charge?

    If the toner particles are made of carbon, how many carbom atoms are there for each excess electron on a toner particle?
     
  2. jcsd
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