1. For germanium crystal, the forbidden energy gap in joules

2. To obtain electrons as majority charge carriers in a semiconductors the impurity mixed is:

3. In the middle of the depletion layer of a reverse biased p-n junction, the:

4. In a common base amplifier the phase difference between the input signal voltage and output voltage is :

5. Energy bands in solids are a consequence of:

6. In semi conductor which are responsible for conduction:

7. In binary system III represents:

8. On heating, resistance of semiconductors:

9. p-n junction diode can be used as:

10. In intrinsic semiconductor at room temperature, the number of electrons and holes are: