本题目来源于试卷: Combine Problems,类别为 美国物理杯赛(Physics Bowl)
[单选题]
07.33: For the circuit shown, the a cdg,dgz2 emx.hv1/8rc-fqt.f* :agnmmet v kk egk/wjyqgmgn73) x((a (3er reading is initially I. The switch in the circuit then is closed. Consequently:
)/(kx( gkmkj n eaq33g7yvgw (
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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