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| Q.28 | Why are large AC machines three-phase type synchronous machines? | |
| Ans | A. Three-phase power is transmitted and distributed more economically than single-phase power. | |
| B. These motors are self-starting. | ||
| C. Non-uniform torque is produced | ||
| D. It gives the same output as single-phase machines. |
Correct Ans Provided: A
