Practice Base Width Reduction with Increased Voltage - 8.1.3 | 8. Revisiting BJT Characteristics (Contd.) - Part B | Analog Electronic Circuits - Vol 1
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Knowledge

8.1.3 - Base Width Reduction with Increased Voltage

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What happens to the base width when the collector-base voltage increases?

💡 Hint: Think about the depletion region's effect.

Question 2

Easy

What does the parameter β represent in a transistor?

💡 Hint: Recall its definition.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What happens to the base width when V_CB is increased?

  • It increases
  • It decreases
  • It stays the same

💡 Hint: Think about the physical changes in the junction.

Question 2

The relationship between α and β is integral for understanding BJT current gain. True or False?

  • True
  • False

💡 Hint: Reflect on how these parameters function together in amplifying current.

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Challenge Problems

Push your limits with challenges.

Question 1

Design a circuit that utilizes BJTs to achieve a specific amplification gain. Explain how you would determine the necessary biasing conditions and the impact of base width reduction at higher voltages.

💡 Hint: Use the α and β relationships to guide your biasing decisions.

Question 2

If the collector current in a BJT is given as 10 mA with β = 100, calculate the base current and determine how changes in V_CB could affect this set-up.

💡 Hint: Think about how I_B and I_C relate and how voltage influences this relationship.

Challenge and get performance evaluation