Which of the following statements are true about semiconductors ? (a)

1.	Which of the following statements are true about semiconductors ? (a) Silicon doped with electron rich impurity is a p-type semiconductor (b) Silicon doped with an electron rich impurity is an n-type semiconductor (c) Delocalised electrons increase the conductivity of doped silicon (d) An electron vacancy increases the conductivity of n-type semiconductor
Answer» Which of the following statements are true about semiconductors ? (a) Silicon doped with electron rich impurity is a p-type semiconductor (b) Silicon doped with an electron rich impurity is an n-type semiconductor (c) Delocalised electrons increase the conductivity of doped silicon (d) An electron vacancy increases the conductivity of n-type semiconductor

Which of the following statements are true about semiconductors ? (a) Silicon doped with electron rich impurity is a p-type semiconductor (b) Silicon doped with an electron rich impurity is an n-type semiconductor (c) Delocalised electrons increase the conductivity of doped silicon (d) An electron vacancy increases the conductivity of n-type semiconductor

Answer»

Which of the following statements are true about semiconductors ?

(a) Silicon doped with electron rich impurity is a p-type semiconductor

(b) Silicon doped with an electron rich impurity is an n-type semiconductor

(d) An electron vacancy increases the conductivity of n-type semiconductor