Combine Problems (id: 2af8215f2)

本题目来源于试卷: Combine Problems，类别为 美国物理杯赛(Physics Bowl)

[单选题]
04.39: The circuit shown3qctq2gz vm *3ezdln/stt rq 6+9s b-ok w*wuh/m39/g has 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 permanently breaking the electrical circuit at that point. Which statement is true of the circuit after removing the 9 suqlwe-rbdo3knw// hg + 9/zt *mt6sbulb?

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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