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 Thom .m 1szrz9x ct5mi f+3aa cb. tr3 moux0;8kucr 4s Edison 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 pro uxktm4 8. crub;co0 r3duce 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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