本题目来源于试卷: Physics Unit19: DC Circuits，类别为 通用国际物理
[单选题]
An unknown resistor is wired in so 9h2 zvyjt+4keries with an ammeter, and a8mfn 1; xls7ju voltmeter is placed in parallel across both the resistor and the ammeter. This network is then placed across a battery. If one computes the value of the resistance by dividing the voltmeter reading by the ammeter reading, the value obtais;8 jul17nmfx ned
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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