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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the general formula for voltage gain in an amplifier?
💡 Hint: Think about the relationship between input and output voltages.
Question 2
Easy
What configuration connects the input to the emitter?
💡 Hint: Remember where the base is placed in the circuit.
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 primary purpose of an amplifier?
- To convert AC to DC
- To increase signal voltage
- To reduce noise
💡 Hint: Consider the function of amplifiers in audio and broadcasting.
Question 2
True or False: The voltage gain for a common base amplifier includes a negative sign.
- True
- False
💡 Hint: Reflect on the phase relationship in amplifier configurations.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a common base amplifier with an input impedance of 25 ohms and a source resistance of 50 ohms, calculate the effective input voltage at the emitter if the source voltage is 5V.
💡 Hint: Think about how resistances in series affect voltage.
Question 2
If the transconductance g_m is 20 mA/V and the output load resistance is 500 ohms, what is the voltage gain?
💡 Hint: Multiply transconductance by load resistance.
Challenge and get performance evaluation