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IF_THE_3-PHASE_ALTERNATOR_HAS_4_POLES_AND_HAS_SYNC..
1.
IF_THE_3-PHASE_ALTERNATOR_HAS_4_POLES_AND_HAS_SYNCHRONOUS_SPEED_OF_120_RAD/S.?$
A.
B.
60
C.
240
Answer» B. 60
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