Engine : Electricity - 1230/1386
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| What statement is TRUE concerning the speed of a synchronous ac propulsion motor? |
| A) The speed is directly proportional to the frequency applied to its stator windings. |
| B) The speed is directly proportional to the frequency applied to its rotor windings |
| C) The speed is inversely proportional to the frequency applied to its stator windings. |
| D) The speed is inversely proportional to the frequency applied to its rotor windings. |
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