Preview of practice Voltage Gain Expression (25.2.1) - Common Emitter Amplifier (Part B)
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Voltage Gain Expression

Practice - Voltage Gain Expression

Learning

Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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Reference links

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