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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define transconductance.
💡 Hint: Think about the relationship between current and voltage in a transistor.
Question 2
Easy
What does the symbol rπ represent?
💡 Hint: Consider what resistance looks into the base-emitter junction.
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 does transconductance refer to?
- Change in collector current per change in base current
- Change in collector current per change in base-emitter voltage
- Input resistance of the transistor
💡 Hint: Think about how transistors amplify voltage changes.
Question 2
True or False: The output conductance is inversely related to output resistance.
- True
- False
💡 Hint: Consider their definitions.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a BJT with a collector current of 4 mA and a transconductance of 1.5 mS, calculate the change in collector current for a change of 0.1 V in VBE.
💡 Hint: Use the transconductance formula to find the change.
Question 2
Analyze how varying the base-emitter voltage affects the current gain of a BJT amplifier. Explain how the operating point affects your analysis.
💡 Hint: Consider how the gain relates to voltage changes.
Challenge and get performance evaluation