| ★ |  Core & Shell Type Transformer | Difference| BEE | Physics | Class 12 | JEE | NEET | UPSE | GATE |BSc | | 635 | India | |
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| 6 |  Transformer | Construction & Working | AC Circuit | 3 Phase | Physics | JEE | UPSC | NEET | GATE|BSc | | 1.8K | India | 87 |
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| 20 |  3 Phase Star Connection | Basic Electrical Engineering | JEE | NEET | GATE | UPSC | Electronics |BSc | | 1.2K | India | 84 |
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| 19 |  3 Phase Delta Connection | Basic Electrical Engineering | JEE | NEET |GATE | UPSC | Electronics |BSc | | 1.0K | India | 84 |
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| 1 |  Ideal Transformer Vs Practical Transformer | BEE | Difference | Physics | JEE | NEET | UPSC | GATE | | 960 | India | 91 |
| 18 |  3 Phases AC System | Important Terms | Line Voltage | Phase Current | BEE | BTech | BSc | JEE | GATE | | 900 | India | 85 |
| 5 |  Auto Transformer | Construction & Working | BEE | Btech | BSc | GATE | UPSC | Physics | Class 12 | | 755 | India | 87 |
| 3 |  Voltage Transformation Ratio Transformer | Derivation | BEE | BTech | BSc | GATE | JEE | UPSC | CUET | | 675 | India | 88 |
| 12 |  Classification of Magnetic Materials | Transformer | BEE | Btech | BSc | Class 12 Physics | UPSC | | 592 | India | 86 |
| 13 |  Power Transformer Breakdown: Key Parts Explained in Urdu & Hindi @EngrUsama00 | | 64 | Pakistán | 86 |
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