本题目来源于试卷: Physics Unit18: Electric Currents，类别为 通用国际物理
[单选题]
If the resistance in a constant voltage circuit is doubled, the poweijd )d710u wn2n*hwtmr dissipated h j0 wu1n*i2m)nddw7t2j veh)yd7k;u ew2+op by that cwk2dv y27+puh o;jee)ircuit will
A. increase by a factor of two.
B. increase by a factor of four.
C. decrease to one-half its original value.
D. decrease to one-fourth its original value.
参考答案: C
本题详细解析:
暂无
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