16.一部四相步進電動機,轉子轉一圈須走48步,且每秒可走960步,則電動機每分鐘轉速為何?
(A)900rpm
(B)1000rpm
(C)1100rpm
(D)1200rpm
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統計: A(8), B(13), C(13), D(147), E(0) #2718046
統計: A(8), B(13), C(13), D(147), E(0) #2718046