1. in a semiconductor :

2. Number of electrons in the valence shell of a semiconductor is:

3. Semiconductors of both p-type and n-type are produced by:

4. With fall of temperature, the forbidden energy gap of a semiconductor

5. In a p-type semiconductor, current conduction is by:

6. The relation between number of free electrons (n) in a semiconductor and temperature (T) is given by:

7. In reverse biasing:

8. Main function of a transistor is to :

9. To obtain p-type silicon semiconductor, we need to dope pure silicon with:

10. On applying reverse bias to a junction diode, it: