18/09/2026
⚡ Transformer & AC Generator | Class 12 Physics
📚 CBSE Class 12 Physics – Alternating Current
In this post, revise the two most important electromagnetic devices:
🔹 Transformer • Principle of Mutual Induction
• Construction & Working
• Step-up & Step-down Transformer
• Important Formulae
🔹 AC Generator • Principle of Electromagnetic Induction
• Construction & Working
• Slip Rings & Brushes
• Expression for Instantaneous EMF
• Important Formulae
✍️ Easy handwritten-style notes specially designed for quick revision and board exam preparation.
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Physics by Bibhuti Sir
📖 Class 11 & 12 Physics | CBSE | JEE | NEET