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CHSE Odisha Class 12 Physics Marathon 4 | Current Electricity, Magnetism, EMI, AC & EM Waves | +2 Physics 2026

🔥 Welcome to BAAP of Marathon – Physics Marathon 4

In this power-packed session, we will complete Unit 2, 3, 4 & 5 for CHSE Odisha Class 12 Physics 2026 Board Exam with full concept clarity, derivations, numericals and most expected questions.

This marathon is specially designed for:
✔ CHSE Odisha +2 Science students
✔ 2026 Board exam aspirants
✔ Students aiming for 85+ / 90+ in Physics
✔ Serious board rankers

✅ Units Covered in Marathon 4
🔹 Unit 2 – Current Electricity

• Ohm’s Law
• Drift velocity & mobility
• Resistivity & temperature dependence
• Series and parallel combination
• Kirchhoff’s Laws (Important Numericals)
• Wheatstone Bridge
• Meter Bridge & Potentiometer
• Most expected 3 & 5 mark questions

🔹 Unit 3 – Moving Charges & Magnetism

• Magnetic force on moving charge
• Biot-Savart Law
• Ampere’s Circuital Law
• Force between parallel current carrying conductors
• Motion of charged particle in magnetic field
• Cyclotron
• Important derivations & numericals

🔹 Unit 4 – Magnetism & Matter

• Bar magnet as equivalent solenoid
• Magnetic field lines
• Earth’s magnetism
• Magnetic elements
• Diamagnetic, Paramagnetic & Ferromagnetic substances

🔹 Unit 5 – Electromagnetic Induction (EMI) & Alternating Current

• Faraday’s Laws
• Lenz’s Law
• Self & Mutual Induction
• AC voltage & current
• RMS value
• LCR circuit
• Resonance condition
• Power in AC circuit

🔹 Electromagnetic Waves

• Displacement current
• Properties of EM waves
• EM spectrum
• Applications of different radiations

🎯 What You Will Get in This Marathon

✅ Full theory revision
✅ Important board derivations
✅ High-weightage numericals
✅ 2, 3 & 5 mark expected questions
✅ Board pattern MCQs
✅ Smart exam strategy for 2026

📚 These units carry heavy weightage in CHSE Odisha Physics Board Exam, especially Current Electricity & EMI numericals.

🔥 If you are serious about scoring high in CHSE Odisha Physics 2026, this marathon is non-negotiable.

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