| ★ |  3 Phases AC System | Important Terms | Line Voltage | Phase Current | BEE | BTech | BSc | JEE | GATE | | 900 | India | |
| 5 |  Pure Resistive Circuit | AC circuits | Basic Electrical Engineering | Btech | BSc | Electronics | | 2.9K | India | 85 |
| 9 |  Series RL circuit | Unit 2 AC circuits | BSc | Btech | CUET | GATE | JEE | UPSC | BEE | Physics | | 2.5K | India | 85 |
| 6 |  Pure Inductive Circuit | AC circuits | Basic Electrical Engineering | Btech | BSc | Electronics | | 2.3K | India | 85 |
| 15 |  Series LCR Circuit | Resonance | Unit 2 AC circuits | BSc | Btech | CUET | JEE | UPSC | BEE |Physics | | 1.9K | India | 84 |
| 7 |  Series RC circuit | Unit 2 AC circuits | BSc | Btech | CUET | GATE | JEE | UPSC | BEE | Physics | | 1.8K | India | 85 |
| 12 |  Transformer | Construction & Working | AC Circuit | 3 Phase | Physics | JEE | UPSC | NEET | GATE|BSc | | 1.8K | India | 84 |
| 8 |  Pure Capacitive Circuit | AC circuits | Basic Electrical Engineering | Btech | BSc | Electronics | | 1.5K | India | 85 |
| 13 |  AC Circuits | Wave Form | Instantaneous Value | Time Period | Frequency | Phase | Cycle | BEE | | 1.4K | India | 84 |
| 17 |  Two Wattmeter Method | measurement of Power in 3 Phase System | JEE | NEET | GATE | UPSC | BSc | | 1.3K | India | 84 |
| 20 |  Energy Losses in Transformer | Eddy Current Loss | Flux Leakage | BEE | Physics | JEE | NEET | UPSC | | 1.3K | India | 83 |
| 2 |  3 Phase Star Connection | Basic Electrical Engineering | JEE | NEET | GATE | UPSC | Electronics |BSc | | 1.2K | India | 89 |
| 19 |  EMF equation of Transformer | Derivation | BEE | BTech | BSc | GATE | JEE | NEET | UPSC | CUET | | 1.1K | India | 83 |
| 3 |  3 Phase Delta Connection | Basic Electrical Engineering | JEE | NEET |GATE | UPSC | Electronics |BSc | | 1.0K | India | 89 |
| 14 |  Parallel LCR Circuit | Resonance | Unit 2 AC circuits | BSc | Btech | CUET | JEE | UPSC | BEE | GATE | | 990 | India | 84 |
| 1 |  3 Phase AC system | Introduction | Phaser diagram | Generation | BEE | Class 12 Physics | JEE | GATE | | 983 | India | 90 |
| 4 |  Numericals on 3 Phase Star & Delta Connection | BEE | BTech | BSc | Electronics | JEE | GATE | UPSC | | 898 | India | 86 |
| 16 |  Voltage Transformation Ratio Transformer | Derivation | BEE | BTech | BSc | GATE | JEE | UPSC | CUET | | 675 | India | 84 |
| 10 |  Core & Shell Type Transformer | Difference| BEE | Physics | Class 12 | JEE | NEET | UPSE | GATE |BSc | | 635 | India | 85 |
| 18 |  Classification of Magnetic Materials | Transformer | BEE | Btech | BSc | Class 12 Physics | UPSC | | 592 | India | 84 |
| 11 |  Three Wattmeter Method | measurement of Power in 3 Phase System | JEE | NEET | GATE | UPSC | BSc | | 499 | India | 85 |