Which Of The Following Statements Are True About Semiconductors?
Which of the following statements are true about semiconductors?
(1) Silicon doped with electron rich impurity is a p-type semiconductor.
(2) Silicon doped with an electron rich impurity is an n-type semiconductor.
(3) Delocalised electrons increase the conductivity of doped silicon.
(4) An electron vacancy increases the conductivity of n-type semiconductor
asked Jun 12 12:00:00 AM