Electricity and Circuits: Complex Circuits (id: 2af8215f2)

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 11 vwas3-hbhg has an ideal ammeter with1s erc7xyie((:m umx. zero resistance and four identical resistance light bulbs which are e1 ux(mc(xi:.e 7ymsrinitially 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 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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