Practice Voltage Gain Expression - 25.2.1 | 25. Common Emitter Amplifier (Part B) | Analog Electronic Circuits - Vol 1
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define voltage gain in your own words.

💡 Hint: Think about how an amplifier works.

Question 2

Easy

What does the negative sign in A_v = -R_c × β₀ / r_π represent?

💡 Hint: Consider the phase relationship between input and output signals.

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 is the formula for calculating voltage gain in a CE amplifier?

  • A_v = R_c / r_π
  • A_v = -R_c × β₀ / r_π
  • A_v = -r_π / R_c

💡 Hint: Look back at the primary equations discussed.

Question 2

True or False: In a common emitter amplifier, the output signal is in phase with the input signal.

  • True
  • False

💡 Hint: Consider the implications of the negative sign in the gain expression.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

How would you design a CE amplifier to achieve a specific voltage gain of -5000? Outline the components and parameters you would adjust.

💡 Hint: Consider the relationships between the parameters carefully.

Question 2

In a situation where the beta of a transistor increases due to temperature rise, describe a strategy to maintain voltage gain stability within a CE amplifier schematic.

💡 Hint: Think about how feedback loops affect amplifier performance.

Challenge and get performance evaluation