Preview of practice Numerical Example (29.4.1) - Common Emitter Amplifier (contd.) - Numerical examples (Part B)
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Numerical Example

Practice - Numerical Example

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Practice Questions

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Question 1 Easy

What is the base current if the collector current is 2 mA and β = 100?

💡 Hint: Use the formula for converting Ic to Ib.

Question 2 Easy

If the input signal is 1 mV and the voltage gain is -200, what will be the output voltage?

💡 Hint: Multiply input voltage by the voltage gain.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the value of the input resistance in a CE amplifier with rπ = 1.3 kΩ?

1.3 kΩ
10 kΩ
3.3 kΩ

💡 Hint: Consider the effect of dominating resistance on input characteristics.

Question 2

True or False: The voltage gain of a CE amplifier is always positive.

True
False

💡 Hint: Recall the basic properties of amplifier configurations.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If the β of the transistor varies between 50 and 200, analyze how Ic and the overall gain are affected.

💡 Hint: Explore the linear relationship of Ic to Ib and how it reflects in gain.

Challenge 2 Hard

Explain what happens to the output swing and power dissipation if the load resistance connected to the collector is decreased.

💡 Hint: Consider the cascading effects on total dissipation and output limits.

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