本题目来源于试卷: Physics Unit19: DC Circuits，类别为 通用国际物理
[单选题]
A voltage reading is obtained b dyf(x+q:9tykhc .eym z794, n6ztasz y placing a voltmeter acrw*vth/ 1sptu mo kt;9,oss a resistor. What happens to the total curk,ot v 9*t1wsmtu;p/ hrent flowing in the circuit as a result of this action?
A. The current increases.
B. The current decreases.
C. The current does not change.
D. The current increases if the meter's internal resistance is less than the original resistance in the circuit and decreases if its internal resistance is greater than the circuit's original resistance.
参考答案: A
本题详细解析:
暂无
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