27.2.1 - Expression of Voltage Gain
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
Define voltage gain in the context of an amplifier.
💡 Hint: Think about how voltage is amplified in a circuit.
What does the negative sign in the voltage gain formula indicate?
💡 Hint: Recall the phase relationship between input and output.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for the voltage gain of a common emitter amplifier?
💡 Hint: Look for the relationship between transconductance and the resistors involved.
True or False: A larger emitter resistor will always increase voltage gain.
💡 Hint: Consider the effects of component values on gain.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Determine the effects on voltage gain if you increase $R_E$ from 1kΩ to 10kΩ, while keeping $g_m$ and $R_C$ constant. Explain your reasoning.
💡 Hint: Consider how changing resistances affects the gain formula.
If an amplifier circuit has a fixed input signal and you modify the output load resistance, what will be the impact on the voltage gain? Discuss the underlying principles.
💡 Hint: Think about the output characteristics and load effect in circuits.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.