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 z;e4q llw j b(:h-u5tlv c-)hxan ideal ammeter wi /uc2s ik hiktp+:d7v ns5zv2:th 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. iz kcs/n2p +usiv: 75h2vk td: 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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