SHORT ANSWER QUESTIONS
UNIT-I, DIODES
1. Define a diode.
2. Mention the applications of a P-N Diode?
3. What is reverse recovery time?
4. What is meant by Depletion region?
5. Define Diffusion Capacitance.
6. Define static resistances of diode
7. Write the formula for diode current equation.
8. Define delay time.
UNIT-II, DIODE APPLICATIONS
1. Define clipping.
2. State Clamping Circuit Theorem.
3. Define Ripple Factor
4. Write the formula for ripple factor of a HWR.
5. Define Peak Inverse Voltage.
6. Define clamping.
7. Define a (what you mean by) Rectifier.
UNIT-III, BIPOLAR JUNCTION TRANSISTOR (BJT)
1. Draw the symbol of NPN transistor.
2. Why BJT is called current controlled device?
3. How to operate the BJT in active region?
4. Define Base Width Modulation (early effect in BJT).
5. List the applications of BJT.
6. Draw the symbol of a PNP transistor.
7. What is Rise time of a transistor?
8. What is turn On time?
UNIT-IV, JUNCTION FIELD EFFECT TRANSISTOR (FET)
1. List any two applications of a FET.
2. Draw the symbol of a MOSFET.
3. Write the full form of MOSFET. Why it is called as MOSFET?
4. List the advantages of FET over BJT.
5. Define Transconductance (gm) of JFET.
6. Write any two differences between BJT and FET.
7. Draw the symbol of a JFET.
8. Why FET is called voltage controlled device?
UNIT-V, SPECIAL PURPOSE DEVICES
1. Define a solar cell.
2. Write the advantages and disadvantages of a zener diode.
3. Draw the Circuit symbol of Varactor and Zener diodes.
4. Which diodes are called Special Purpose diodes?
5. Define a LED.
6. What is tunneling process?
7. List the applications of Zener dioes
8. What is the Avalanche Break Down?
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