Examlex
Only ____ can be voluntarily controlled.
N-Type
A category of semiconductor material where the charge carriers are predominantly electrons, achieved by doping the material with elements having more valence electrons than the semiconductor.
Semiconductor Materials
Materials that have electrical conductivity between that of a conductor and an insulator, used in the manufacture of electronic devices, including silicon and germanium.
Piezoelectricity
The production of electricity by applying pressure to a crystal.
Pressure
The force applied perpendicular to the surface of an object per unit area over which that force is distributed.
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