Consider p-carriers, unevenly
distributed in a semiconductor. They move by diffusion:

Question

Accepted Answer

From the area with the highest
concentration of holes to the area with the lowest concentration of holes

Answer

In the direction of the
electric field, from + to –

Answer

From the most
electron-concentrated zone to the least electron-concentrated zone

Answer

They don't move, the dopants
do

Answer

In the opposite direction to
the electric field, from + to -.

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