Question

Define 'mobility' of free electrons.

Answer 1

The ability to move or be moved freely and easily.

Answer 2

E is the magnitude of the electric field applied to a material, vd is the magnitude of the electrondrift velocity (in other words, theelectron drift speed) caused by the electric field, and. µ is theelectron mobility. The hole mobility is defined by the same equation.

I hope this answer helped you.