💯

[@solamutha2067]

Thank you sir 👍👍🙏🙏🙏🙏🙏

[@vinothanivino]

Thank you sir...... 🤝

[@thar7694]

Nana innnum padikila sir carrier concentration p type n type sluga sir

[@thar7694]

Hall effect kandipa varuma sir

[@ajeesms7775]

sir engineering physics ku video podunga like this pls