49.規格相同的P、Q、R燈泡,聯接如圖, 問其電流關係為何?
(A)P>Q>R
(B)P>Q=R
(C)P=Q>R
(D)P=Q<R
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統計: A(1), B(15), C(6), D(2), E(0) #2717599
統計: A(1), B(15), C(6), D(2), E(0) #2717599