You see typical drift velocities for the charge in wire as fractions of a meter per second in most cases. But the saturation velocity in a MOSFET can be almost a million meters per second. How can both of these values be correct, are the charges in semiconductors really moving that fast?
See the numerical example here for drift velocity: https://en.wikipedia.org/wiki/Drift_velocity
See here for the saturation velocity: https://en.wikipedia.org/wiki/Saturation_velocity
Thanks
See the numerical example here for drift velocity: https://en.wikipedia.org/wiki/Drift_velocity
See here for the saturation velocity: https://en.wikipedia.org/wiki/Saturation_velocity
Thanks