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 shown has an ideal a 7ap2cm+j .jhimmeter with zero resistance a4c9jd ntl9msoulk3w: g*8k7)vhtc:y hnh1 ,f nd four identical reshj *kvc 834k9w)lcg 9mdfl,h1 :stoht7:nynuistance 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 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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