99.2.2 - Input and Output Resistance Changes
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Practice Questions
Test your understanding with targeted questions
What does trans-conductance (G) measure?
💡 Hint: Think about the relationship between current and voltage.
In a feedback configuration, what is expected to happen to the input resistance?
💡 Hint: Feedback generally boosts resistance, not lowers it.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary effect of series-series feedback on input resistance?
💡 Hint: Consider how feedback generally alters operational parameters.
True or False: The trans-conductance of an amplifier can affect its feedback parameter.
💡 Hint: Think about how feedback modifies amplifier response.
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Challenge Problems
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Derive the expression for input resistance in a feedback loop given the trans-conductance and feedback factor.
💡 Hint: Consider how resistances combine in feedback mechanisms.
Evaluate how varying the feedback factor affects output resistance in a given circuit.
💡 Hint: Reflect on the relationship between feedback strength and resistance outcomes.
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