ChapterClass 12Modern Physics unit
Semiconductors and Logic Gates
Diodes, transistors and logic gates explained simply, with the circuit questions JEE asks.
4
live lectures
7 days
about, to finish
While taught
live access
Live
in the AAPhysics app
What you'll learn
Semiconductors
- Intrinsic and extrinsic semiconductors
- p-n junction diode
- Rectifiers and Zener diode
- Transistor basics
Logic gates
- AND, OR, NOT, NAND and NOR
- Truth tables
How it's taught
1
Concepts, live
Every idea built up from first principles in class.
2
JEE problems
Main and Advanced questions solved step by step.
3
Your doubts
Ask in class, or in the class Discord.
Take the whole Modern Physics unit
Modern Physics, Semiconductors and Logic Gates for ₹8,899, which is ₹899 less than one by one.

Your teacher: Ajit Agrawal
A results-driven Physics educator with over two decades of specialized experience mentoring students for JEE Advanced, combining rigorous problem solving with visual explanations and the academic depth of co-authoring the Resnick-Halliday-Walker Indian Edition.
More about himBefore you enroll
- Will this course include recorded video lectures?
- The core value of the course is rigorous problem solving, exact reasoning, and curated practice. Study guides and mock tests are standard. Dedicated recorded video lectures may be provided at the instructor's discretion.
- How are classes conducted and how do I watch them?
- Classes are taught live on a laptop. For security and focus, live sessions are attended only through the official AAPhysics app: on an Android phone or tablet, or on a Windows PC. Web browsers, emulators, iPhones and Macs are not supported for protected playback.
- Can I access the course on my iPhone or MacBook?
- No. Protected course playback works on Android phones and tablets, and on Windows PCs through the AAPhysics for Windows app.
- What is the refund policy?
- There is a strict no-refund policy. Please review course details, technical requirements, teaching philosophy, terms, and access rules before enrolling.