Скачать или смотреть Current Electricity | Lecture : 16 | Power, Energy & Joule’s Law of Heating | JEE/NEET PYQs

Welcome to ChemClasses with Rahul, where Sourab Dutta Sir teaches Kota-level Physics for JEE & NEET aspirants.
In this lecture, we cover the most scoring section of Current Electricity — Electric Power, Energy & Heating Effects, including all PYQs from JEE & NEET.

⚡ Topics Covered

Electrical Energy – Work Done by Battery

Commercial Unit of Energy – kilowatt hour (kWh or B.O.T. Unit)

Power & Power Rating of Electrical Appliances

Joule’s Law of Heating – Derivation & Applications

Relation: Heat = I²Rt = VIt = (V²/R)t

Power Rating of Bulbs – Which Bulb Glows Brighter?

Concept of Energy Dissipation in Circuits

Parallel vs Series Circuits – Heating Comparison

Real-Exam Numerical Problems from JEE & NEET

🧠 PYQs Discussed

NEET 2022 – Ratio of Thermal Energy in Parallel Resistors

JEE Main 2023 (April & Feb) – Heat Produced at Different Currents

JEE Main 2024 (April) – Ratio of Heat Dissipation in Series-Parallel Circuits

NEET 2016 – Charge-Time Relation and Heat Produced

🎯 Perfect For

JEE Main & Advanced 2026–27 Aspirants

NEET Physics 2026–27 Students

CBSE/ISC/State Boards – Class 12

Students targeting numerical mastery + conceptual clarity

👨‍🏫 Faculty: Sourab Dutta Sir
🎓 Batch: Zero to Topper – JEE/NEET Physics
📺 Channel: ChemClasses with Rahul

📚 Resources:
🔹 Notes + PYQs + Worksheets → Join Telegram https://t.me/Chemclasses_with_Rahul

🌐 Website: www.chemclasseswithrahul.com

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