Particulate Nature of Matter B.5 Electric Circuits (id: b0c5d24fd)

本题目来源于试卷: Particulate Nature of Matter B.5 Electric Circuits，类别为 IB物理学

[单选题]
A light dependent resistor (LDR) and s re s g px5 wlok:.o:zg.k9a )xb2ape6:tq80ra w;e-qm u4 nb.t$10\,kΩ$ resistor are connected in series to a $12\,V$ D.C supply as shown.


When the LDR is in the dark it has a resistance of $20\,kΩ $. Which of the following gives the potential difference $V$ across the light dependent resistor under these conditions?

A. 0.4$V$
B. 2.5$V$
C. 4.0$V$
D. 8.0$V$


参考答案:  D


本题详细解析:

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