Electricity and Circuits: Resistor (id: 44eea0b6f)

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

[单选题]
07.27: A junior Thomas Edix3:gh )w u2vsl(gnx xv lp)b//son 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 produce more light at a given voltax pvg)ln/xb/(ge?

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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