.Resistor. (id: 44eea0b6f)

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

[单选题]
07.27: A junior Thomasszda c1lyj2 9boah s;1*w88n s Edison 4mluc5nvk u od-b.y),wants to make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to make the lightbulb pron u,-4vdu bl .omy5ck)duce more light at a given voltage?

A. Increase the resistivity only.
B. Increase the diameter only.
C. Decrease the diameter only.
D. Decrease the diameter and increase the resistivity.
E. Increase the length only.


参考答案:  B


本题详细解析: 暂无

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