Practice Overview of Bipolar Junction Transistors (BJTs) - 7 | 7. Overview of Bipolar Junction Transistors (BJTs) | Electronic Devices 1
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a BJT?

πŸ’‘ Hint: Think about its role in amplifying signals.

Question 2

Easy

Name the two types of BJTs.

πŸ’‘ Hint: Recall the majority carriers for each type.

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 type of transistor has holes as the majority carriers?

  • NPN
  • PNP
  • None of the above

πŸ’‘ Hint: Remember which type stands for 'Positive Negative Positive'.

Question 2

True or False: BJTs are voltage-controlled devices.

  • True
  • False

πŸ’‘ Hint: Think about the differences between BJTs and MOSFETs.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a BJT with a Ξ² of 100 and a base current of 10 Β΅A, determine the collector current.

πŸ’‘ Hint: Apply the current gain formula.

Question 2

Analyze how thermal runaway could affect a BJT in a high-power circuit. What preventative measures could be taken?

πŸ’‘ Hint: Think about the physical behaviors with increasing temperature effects.

Challenge and get performance evaluation