Class 12 Physics Chapter 7 Alternating Current Numericals | प्रत्यावर्ती धारा MCQs | By Rohit Sir

Class 12 Physics Chapter 7 Alternating Current Numericals | प्रत्यावर्ती धारा MCQs | 12th Physics Important Questions | Physics By Rohit Sir

📘 Class 12 Physics Chapter 7 – Alternating Current (AC) | Important Numericals & MCQs | Physics By Rohit Sir
In this video, Rohit Sir explains one of the most important chapters of Class 12 Physics – Alternating Current (प्रत्यावर्ती धारा). This session focuses on important numericals, derivations, conceptual questions, and board-level MCQs to help students prepare effectively for their 12th Board Exams 2025.
You will learn about:
The concept of AC voltage and current
Phase difference between voltage and current
Reactance and Impedance in AC circuits
Resonance in LCR circuits
Power in AC circuits and Power Factor
Numerical problems based on RMS value, Peak value, Mean value
Previous year board questions and expected MCQs
This class is specially designed for State Board and CBSE students who want full marks in Chapter 7 – Alternating Current. Rohit Sir breaks down every topic step by step in an easy-to-understand manner with short tricks and concept clarity for solving tough numericals quickly.
If you are revising for your Physics board exam, this video is a must-watch. Watch till the end and practice along with Sir for maximum retention.
👉 Download Notes & Practice Sheet (link in description)
👉 Subscribe for more 12th Physics full syllabus lectures, live sessions, and doubt-solving videos.

🎯 Stay tuned for:
Important derivations from Chapter 7
Full MCQ practice set
Board exam question discussion

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