Class 12 Physics Ch-4 Q4.6 | Magnetic Force on Wire Inside Solenoid | NCERT Solution Explained

📘 Question 4.6 (NCERT Class 12 Physics – Chapter 4: Moving Charges and Magnetism):
A 3.0 cm wire carrying a current of 10 A is placed perpendicular to the axis of a solenoid.
The magnetic field inside the solenoid is 0.27 T.
👉 Find the magnetic force on the wire.

⚡ Concepts Covered in This Video:

1️⃣ Magnetic Force on a Current-Carrying Wire
2️⃣ Magnetic Field inside Solenoid (Uniform Field Concept)
3️⃣ Formula – F = B I L sinθ
4️⃣ Perpendicular Orientation → sinθ = 1
5️⃣ Step-by-Step NCERT Solution with Diagram


💡 Concept in Simple Words:

Jab ek current carrying wire ko magnetic field ke perpendicular rakha jata hai,
toh uspe maximum magnetic force lagta hai.
Yaha solenoid ke andar field uniform hai — isliye poori wire par same force lagta hai.


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🎯 You Will Learn:
✔️ Magnetic force formula & direction
✔️ Right-hand rule explanation
✔️ Real-life concept of magnetic fields in solenoids
✔️ NCERT numerical approach
✔️ Board exam & JEE/NEET level logic

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