本题目来源于试卷: Electricity and Circuits: Complex Circuits,类别为 美国物理杯赛(Physics Bowl)
[单选题]
04.39: The circuit shown has an ideal am arrn z255t k,vmeter with zero resis g ky/h /w/:9pkwe7dh itance and four identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its k/k w7ydp/9 g/:ihe hw socket thereby permanently breaking the electrical circuit at that point. Which statement is true of the circuit after removing the bulb?

A. The voltage from B → C increases.
B. The power supplied by the battery increases
C. The voltage across R1 increases.
D. The ammeter reading is unchanged.
E. The bulb R2 maintains the same brightness.
参考答案: A
本题详细解析:
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