本题目来源于试卷: Physics Unit19: DC Circuits，类别为 国际高中通用物理
[单选题]
An unknown resistor is wired in series with an ammeter, and a volt /vq,:by/ pt,og1fetb5w+g5 oea7 shum6cuu dy+*j .oq1 kz4 yalffl1 u.(fpv2eter is placed in parallel across both the resistor and the ammeter. This network is then placed across a battery. If onavzu .1 ou pf1c* kfl u(j2d46.fly+yqe computes the value of the resistance by dividing the voltmeter reading by the ammeter reading, the value obtained
A. is less than the true resistance.
B. is greater than the true resistance.
C. is the true resistance.
D. could be any of the given answers. It depends on other factors.
参考答案: B
本题详细解析:
暂无
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