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| Q.57 | Identify the false statement: | |
| Ans | 1. Speed of the DC motor can be controlled by the variation of armature voltage | |
| 2. Speed of the DC motor can be controlled by the variation of angle of brush shift | ||
| 3. Speed of the DC motor can be controlled by the variation of field current | ||
| 4. Speed of the DC motor can be controlled by the variation of armature circuit resistance |
Correct Ans Provided: 2
