Engine_2014 : Electricity - 1700/2299
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| What statement is true concerning the speed of a wound- rotor induction motor? |
| A) The speed will be fixed by the number of field poles. |
| B) The speed can be varied by a rheostat- type control. |
| C) The speed can only be synchronous speed at full load. |
| D) The speed can only attain synchronous speed at no load. |
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