Questions from Lecture 1-3
1. Write down the differences between:
a) AC & DC circuits
b) Analog & Digital circuits
c) Electrical & Electronic circuits
2. Write some applications of :
a) AC & DC circuits
b) Analog & Digital circuits
c) Electrical & Electronic circuits
3. What is the importance of electronics in our life?
4. Define Conductor, Semiconductor and Insulator in terms of free electron, valence
electron and energy band diagram.
5. Mention some properties of semiconductor.
6. Briefly explain the effects of temperature on semiconductor device?
7. What is extrinsic and intrinsic semiconductor material?
8. Explain the formation of n-type material with diagram.
9. Explain the formation of p-type material with diagram.
10. Describe electron versus hole flow.
11. Describe the difference between Majority and Minority Carriers.
12. What is PN junction? What is the importance of PN junction?
13. Discuss the behavior of PN junction under No applied bias, Forward bias and Reverse
bias conditions.
14. Write short notes on : a) Knee voltage
b) Breakdown voltage
c) Peak Inverse Voltage (PIV)
d) Doping process
e) Acceptor and donor atoms
15. Draw and explain the I-V characteristics curve of a PN junction diode.