Positive SSL
    14.素養(4)
1 如圖所示電路,求a、b兩端的總電感Lab =? 94 統測
A 3H
B 4H
C 5H
D 6H

兩電感是串聯相消

Lab = L1+L2 - 2M = 6 + 3 - 2 × 2 = 5H