UNIT 4 – AC CIRCUITS

⚙️ Master Single-Phase & Three-Phase AC Circuits

Understand impedance, power factor, resonance, RLC circuits, and three-phase systems with premium notes designed specifically for SPPU Engineering students. Includes detailed phasor diagrams, solved numericals, and PYQ-focused preparation.

📚 What’s Included?

• ✅ Complete SPPU 2024 Pattern Coverage
• ✅ R-L, R-C & R-L-C Circuits
• ✅ Impedance & Power Factor
• ✅ Active, Reactive & Apparent Power
• ✅ Series Resonance
• ✅ Three-Phase Star & Delta Connections
• ✅ Solved Numericals
• ✅ Frequently Asked PYQs
• ✅ Expected Questions
• ✅ PDF Format – Instant Download

🎯 Strengthen your AC circuit concepts with concise, exam-oriented study material.