help on an equation

Discussion in 'Homework Help' started by jaeyong92, Dec 11, 2013.

  1. jaeyong92

    Thread Starter New Member

    Oct 20, 2013
    3
    0
    its a questionn asking for donor concentration in an Si sample.

    it used the equation pho(resistiviy) = 1/sigma(conducitivity) = ( n(concentration) * e ( charge) * u ( mobility) )^-1

    where does this equation derive from? i cannot find it anywhere...
     
  2. Papabravo

    Expert

    Feb 24, 2006
    10,148
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