阿摩線上測驗
39 發電機轉子線圈旋轉一週，所感應出之正弦波個數（f）與磁極數（P）之關係為何？
(A)f = P
(B)f = P/2
(C)f = 2 P
(D)f = 0.2 P
答案：登入後查看
統計： A(21), B(395), C(72), D(14), E(0) #1204450
統計： A(21), B(395), C(72), D(14), E(0) #1204450
