Important Question for Basic Electronic GTU | Imp for Be Gtu | Basic Electronic.

Important Question for Basic Electronics (3110016)

Chapter 1:- Diode theory and applications.

1. Write a short note: V-I characteristic of P-N junction diode.(7 Mark)
2. Draw and Explain bridge rectifier. Explain advantage and disadvantage of bridge rectifier over full wave rectifier.(7 Mark)
3. Explain clipping circuit.(3 Mark)
4. State different types of diodes. Describe process of testing diode with multi meter.(4 Mark)
5. Explain full wave bridge rectifier with neat diagram.(7 Mark)
6. Differentiate between insulator, conductor and semiconductor.(3 Mark)
7. Explain forward bias PN junction diode with diagram.(4 Mark)

Chapter 2:- Bipolar junction transistors and its biasing.

1. Write a short note: Biased clipper circuit. (3 Mark)
2. Derive the relation between current gain α and β. ( 4 mark)
3. What is DC load line? Explain with necessary diagram.(4 Mark)
4. What is stability factor? Explain.(3 Mark)
5. Why biasing is important in transistor? Explain voltage divider bias with diagram.(7 Mark)

Chapter 3:- Special purpose diodes and transistors.

1. Explain V-I characteristic of tunnel diode.(3 mark)
2. Draw and explain input and output characteristic of transistor in common emitter configuration.(7 mark)
3. What are the different method for biasing the transistor. Explain any two method with necessary circuit diagram.(7 mark)
4. State advantage of transistor.(3 mark)
5. Draw the symbol of NPN and PNP transistor. What is use of transistor?(3 mark)
6. What is varactor diode? How capacitance of a diode varies with reverse voltage?(3 mark)
7. Draw the circuit of transistor in CE configuration. Sketch the output characteristics and explain active, saturation and cutoff regions.(7 mark)
8. Explain PIN photo diode.(4 mark)
9. Explain LED diode.(3 mark)

Chapter 4:- AC Analysis of BJT circuits and small signal amplifier.

1. Give comparison between CE, CB and CC configuration of transistor.(4 mark)
2. Explain application of transistor as a switch.(7 mark)
3. List out the salient feature of emitter follower.(3 mark)
4. Explain various properties of CB amplifier.(4 mark)
5. Draw and explain the transistor a.c. equivalent circuit.(7 mark)
6. Explain AC loadline with respect to BJT.(4 Mark)
7. What is use of coupling and bypass capacitor?(3 mark)

Chapter 5:- Field effect transistors (FET) and its biasing.

1. Give comparison of BJT and JFET.(3 mark)
2. Draw and explain the self bias circuit of FET.(4 Mark)
3. Draw and explain various characteristic of JFET.(7 Mark)
4. What are the advantage of N-Channel MOSFET over P-Channel MOSFET.(3 mark)
5. Explain the application of FET as a buffer amplifier.(4 Mark)
6. Write a short note: E-Type MOSFET.(7 Mark)
7. Write shortnote on JFET.(7 Mark)
8. Explain (i) Unipolar device (ii) Transconductance.(4 Mark)
9. Write short note on MOSFET.(7 Mark)
10. What is FET? State important features of FET.(3 Mark)

Chapter 6:- Digital Circuits.

1. Design and explain basic NAND gate using DTL logic.(3 Mark)
2. Explain following gate using their truth table, logic symbol and equation. Ex-NOR, NAND, NO. (4 Mark)
3. Explain why NAND and NOR gate are called universal gate?(4 Mark)
4. Give comparison between different types of digital logic families.(7 Mark)
5. Explain (i)universal gate (ii) EX-OR logic gate.(4 Mark)
6. Draw symbol and explain truth table of all basic logic gates.(7 Mark)
7. Among TTL and CMOS digital logic family which one is better and why? (4 Mark)