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, a5e 0 5cq.c*bs6n-xb xb)m-vkj8bcj: n hpaq8 lnd a7u9 og(,5gyzupv8 r,0dc ckph voltmeter is placed in parallel across both the resistor and the ammeter. This network is tp u850yk,(zucd g9c, 7voh gprhen placed across a battery. If one 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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