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 s mvmqv iyofy:(-: r6b2*zwyp- hown 7 s7,72zpbw bseyjnr8has an ideal ammeter with zero resistance and four identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its socket thereby pe w br jpbz7,ssy7e2 n78rmanently 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:
暂无
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