阿摩線上測驗
36. A Mashlight uses two 1.5-V batteries. If the current passing through the lightbulb is 0.5 A. how much energy is consumed by the lightbulb in half an hour?
(A)45J
(B)90J
(C)900J
(D) 2700 J
(E) 10800 J
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統計： A(2), B(0), C(2), D(20), E(1) #3084495
統計： A(2), B(0), C(2), D(20), E(1) #3084495
