75 Days Crash Course Day-47 | Class 12 Physics | CH-7 Alternating Current | CBSE + ISC | Lecture-2 |

Welcome to Day-47 of the 75 Days Crash Course for Class 12 Physics (CBSE + ISC). In Lecture-2, we cover the mathematical foundation of AC — the equation of alternating current and voltage, along with their graphical representation. 📅 Date: 31st January, 2026 ⏰ Time: 7:30 PM 📚 Class: 12 (CBSE + ISC) 🎓 Subject: Physics 📖 Chapter: Chapter 7 – Alternating Current 🎥 Lecture: 2 📌 Series: 75 Days Crash Course – Day-47 🏫 Batch: Shikhar Batch 👨‍🏫 Teacher: EdufyHub’s Physics Expert This lecture is extremely important for numericals, derivations, and conceptual clarity, and it directly leads into RMS and average values in upcoming classes. ⭐ Topics Covered in Lecture-2: • Equation of Alternating Current & Voltage • Peak Value and Instantaneous Value • Angular Frequency & Time Period • AC Waveform (Sinusoidal Graph) • Phase, Phase Difference & Interpretation • Important CBSE + ISC Board-Based Questions 🎯 Why This Class Is Important for CBSE + ISC Students: • Forms the base of all AC numericals • Frequently asked in derivations & graph-based questions • Essential before learning RMS & Average values • High scoring if concepts are clear • Fully aligned with CBSE + ISC Board Exam 2026 syllabus 🔔 Stay Connected Subscribe to EdufyHub for daily Class 12 Physics Crash Course lectures, PDFs, PYQs, and smart revision strategies. Join us on Telegram • Instagram • YouTube Community for notes and regular updates. 🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥 #75DaysCrashCourse #Class12Physics #AlternatingCurrent #ACEquation #ACWaveform #CBSEPhysics #ISCPhysics #BoardExam2026 #EdufyHub #ShikharBatch ___________________________________________________________________________________ 🔗 YouTube: ‪@Edufy_Hub‬ 📸 Instagram:   / edufy_hub   💬 WhatsApp Channel: https://whatsapp.com/channel/0029VaMN... 📢 Telegram Channel: https://t.me/edufyhub 💙 Don’t forget to LIKE, SHARE, COMMENT, and SUBSCRIBE for more Board-oriented content! ___________________________________________________________________________________ CLASS X CBSE -- MATHS - https://tinyurl.com/4fdxmh8h BIOLOGY - https://tinyurl.com/4xscjhtn CHEMISTRY - https://tinyurl.com/3vfaaxjp PHYSICS - https://tinyurl.com/3u66fhck CLASS X ICSE -- MATHS - https://tinyurl.com/yc4ysyt6 BIOLOGY - https://tinyurl.com/5n7s854y CHEMISTRY - https://tinyurl.com/3vfaaxjp PHYSICS - https://tinyurl.com/26f628bp CLASS XI ISC -- MATHS - https://tinyurl.com/4dz7zrkf BIOLOGY - https://tinyurl.com/2s3bvesr CHEMISTRY - https://tinyurl.com/4t84pkuv PHYSICS - https://tinyurl.com/564v7tdt CLASS XII ISC -- MATHS - https://tinyurl.com/5ymrw7t5 BIOLOGY - https://tinyurl.com/mrxxfb7v CHEMISTRY - https://tinyurl.com/3zbcbn6r PHYSICS - https://tinyurl.com/32mkzspu ___________________________________________________________________________________ Tags: Class XII, ISC Board, ISC Full Year Course, Board Exam Preparation, Class 12 Orientation, Study Tips for ISC, Online Education, ISC Coaching, ISC Board Success, Live Learning Session, Class 12 ISC Physics, Electric Charge and Field, Physics Lecture 1, SHIKHAR Batch, Electric charge, Properties of charge, Numericals on Electric Charge, Electrostatics class 12, ISC Board Physics, ISC Class 12 Chapter 1, Physics ISC 2025, Class 12 Physics Live, skdxpress, NEET Physics, JEE Physics, Physics Wallah 🚀 Join LIVE & Ace Your NEET Exam! 🚀 🔔 Stay tuned for more subject-wise marathons & tips!