forbidden energy gap(FEG) is the gap between the electrons of conduction band and valence electron band.It is negligible in conductors....for insulators it is 6-7ev so they can't conduct electricity. In case of semiconductor it varies depending on temprature
never chnge urself for other.. but change the way the world sees u...........
If you have a heart that obeys your mind you can win the whole world.......
If you have a mind that obeys your heart you can win the love of so many hearts....