Electricity and Circuits: Complex Circuits (id: f1ea79cf6)

本题目来源于试卷: Electricity and Circuits: Complex Circuits，类别为 美国物理杯赛(Physics Bowl)

[单选题]
07.33: For the circuit shown, th bdxjx,b3v4c +e ammeter reading is initially I1 o2o2,pj *6k yxsmgxjrhlo7 va8n- )f. The switch in the circujm,2 ja o-6oylvgk*x7rp1)o s28fx nhit then is closed. Consequently:

A. The ammeter reading decreases.
B. The potential difference between E and F increases.
C. The potential difference between E and F stays the same.
D. Bulb #3 lights up more brightly.
E. The power supplied by the battery decreases.


参考答案:  C


本题详细解析: 暂无

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