Practice Indian Institute of Technology, Kharagpur - 8.1.3 | 8. Revisiting BJT Characteristics (Contd.) - Part A | Analog Electronic Circuits - Vol 1
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Indian Institute of Technology, Kharagpur

8.1.3 - Indian Institute of Technology, Kharagpur

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What happens to current in the BJT under forward bias?

💡 Hint: Think about how voltage affects current flow.

Question 2 Easy

What is the primary characteristic of reverse bias?

💡 Hint: Consider what happens at the junction when voltage is applied in this manner.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the effect of increasing the base-emitter voltage on the collector current in a BJT?

A. It decreases the collector current.
B. It increases the collector current exponentially.
C. It has no effect.

💡 Hint: Reflect on the relationship between voltage and current in the active region.

Question 2

True or False: The collector current in reverse bias is not influenced by the applied voltage.

True
False

💡 Hint: Consider the stability of current flow against increasing reverse voltages.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If a transistor operates with a collector-emitter voltage of 10V and a base-emitter voltage of 0.7V, find the expected base current given that the base-emitter current is 1 mA and the base width is 0.2μm.

💡 Hint: Explore how changing one parameter influences the others along with the supporting equations.

Challenge 2 Hard

Design a BJT circuit to achieve maximum β while minimizing recombination losses. What factors must be considered?

💡 Hint: Consider physical adjustments in design, such as narrowing the base width and adjusting doping levels.

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Reference links

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