SECTION-A

Q1. Do as directed.                                                                                                                                     15×1=15

1. At absolute zero temperature, the conduction band of a semiconductor is totally Empty
2. To obtain p-type semiconductor,Trivalent impurity is added to a pure
3. The value of knee voltage for germanium diode is 0.7 V
4. The maximum value of rectification efficiency of full wave rectifier can be 81.2%.
5. Usually, a Zener diode is used as a Voltage Regulator
6. The material used for the construction of LED is  GaAsP    .
7. In a transistor, there are Two PN Junction.
8. A transistor is usually applied for_ _____.
9. The method by which the operating point is made independent of temperature variations or variations of transistor parameters (þ) is called__                 _.
10. For a good voltage amplifier, its input impedance should be High
11. A FET is also called as ______  polar.
12. Filter circuits are used to reduce ac Component
13. PIV stands for Peak Inverse Voltage.
14. A capacitor circuit does not allow to pass dc components.
15. Define Drift.