Practice Types of BJTs - 7.2 | 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.

Professionals

Professional Courses

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

Games

Interactive Games

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

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What type of charge carriers are used in NPN transistors?

💡 Hint: Think about the flow direction of current.

Question 2

Easy

In a PNP transistor, which direction does the current flow?

💡 Hint: Remember the opposite of NPN.

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

Which type of transistor has holes as the majority carriers?

  • NPN
  • PNP
  • Both

💡 Hint: Refer back to how current flows in these transistors.

Question 2

True or False: The collector current in an NPN transistor flows from the emitter to collector.

  • True
  • False

💡 Hint: Think about the flow direction of current in NPN versus PNP.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a simple circuit using an NPN transistor to amplify a small audio signal. Describe how it works.

💡 Hint: Consider the relationships of input and output current in your explanations.

Question 2

Discuss the advantages of using PNP transistors in specific applications over NPN transistors.

💡 Hint: Think about common electronic devices and their power management.

Challenge and get performance evaluation