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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the relationship between the emitter current (IE), collector current (IC), and base current (IB)?
π‘ Hint: Recall the main equation for these currents.
Question 2
Easy
What does the symbol Ξ² represent in BJTs?
π‘ Hint: Think about how BJTs amplify currents.
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 correct equation for emitter current in a BJT?
- IE = IC + IB
- IC = IE + IB
- IB = IC + IE
π‘ Hint: Think about how currents are related in BJTs.
Question 2
True or False: The typical value of Ξ± in a BJT is approximately 1.
- True
- False
π‘ Hint: Consider the efficiency of BJTs in terms of current amplification.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A circuit has a BJT with an emitter current of 8 mA and a collector current of 6 mA. Calculate the base current, current gain (Ξ²), and common base current gain (Ξ±).
π‘ Hint: Use provided equations to isolate each current type and then use the ratios.
Question 2
If a BJT operates with Ξ² = 200 and IB = 0.2 mA, what would be the collector current? Assuming no saturation effects.
π‘ Hint: Remember the relationship between IB and IC through current gain.
Challenge and get performance evaluation