Charge density as a function of position is constant across a p-n junction, true or false
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answer : true,
explanation : charge density as a function of position is given by,
for < x <
where it is assumed that no free carriers are present within the depletion region. For an abrupt p-n diode with doping densities, Na and Nd, the charge density is then given by:
see graph, here it is clear that, Charge density as a function of position is constant across a p-n junction.
explanation : charge density as a function of position is given by,
for < x <
where it is assumed that no free carriers are present within the depletion region. For an abrupt p-n diode with doping densities, Na and Nd, the charge density is then given by:
see graph, here it is clear that, Charge density as a function of position is constant across a p-n junction.
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