Question

what do you understand by free electrons?
please answer it quickly ​

Answer 1

Answer:

electrons which which are delocalized

for example it can be an ion etc which cant hold the electron these electron can be easily taken by applying electric field

and current starts flowing

Answer 2

Answer:

Electron that is not attached to an ion, atom, or molecule and is free to move under the influence of an applied electric or magnetic field.