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...
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...