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Chapter 2 Question Bank
1. Explain the formation of depletion layer in PN junction with neat sketch. (4)
2. Describe the operation of PN junction diode. Under forward biased and Reverse
Biased condition. (4)
3. Define the following terms with respect to PN junction diode. (Each 1M)
a. Static resistance
b. Dynamic resistance
c. Cut-in voltage
d. Breakdown voltage
e. Depletion Layer
f. Barrier Potential (Junction Potential)
4. Draw the VI characteristics of forward biased condition. Define cut-in voltage.
(4M)
5. Explain the operating principle of PN junction diode under forward bias condition.
Draw VI characteristics. (4)
6. What is depletion region for diode? (2)
7. Explain the VI characteristics of a Zener diode and explain. (4)
8. Draw and explain a neat sketch of a P-N junction with no bias. Explain the terms
barrier potential and depletion region. (4)
9. State the value of knee voltage for silicon & Germanium Diode. (1)
10.Write the VI characteristics of Ideal diode. (2)
11.Define static resistance and Dynamic resistance. (2)
12.Explain Avalanche breakdown. (3)
13.Explain Zener breakdown in Zener diode. Write the symbol of Zener diode. (3)
14.Compare Zener breakdown with avalanche breakdown (4 points) (4)

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Chapter2 question bank

  • 1. Chapter 2 Question Bank 1. Explain the formation of depletion layer in PN junction with neat sketch. (4) 2. Describe the operation of PN junction diode. Under forward biased and Reverse Biased condition. (4) 3. Define the following terms with respect to PN junction diode. (Each 1M) a. Static resistance b. Dynamic resistance c. Cut-in voltage d. Breakdown voltage e. Depletion Layer f. Barrier Potential (Junction Potential) 4. Draw the VI characteristics of forward biased condition. Define cut-in voltage. (4M) 5. Explain the operating principle of PN junction diode under forward bias condition. Draw VI characteristics. (4) 6. What is depletion region for diode? (2) 7. Explain the VI characteristics of a Zener diode and explain. (4) 8. Draw and explain a neat sketch of a P-N junction with no bias. Explain the terms barrier potential and depletion region. (4) 9. State the value of knee voltage for silicon & Germanium Diode. (1) 10.Write the VI characteristics of Ideal diode. (2) 11.Define static resistance and Dynamic resistance. (2) 12.Explain Avalanche breakdown. (3) 13.Explain Zener breakdown in Zener diode. Write the symbol of Zener diode. (3) 14.Compare Zener breakdown with avalanche breakdown (4 points) (4)