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 galvanometer has a coil2*m meseb)(b c with9 ,pz9c,yb ta:fjey6y a resistance of 24.0 $\Omega$. A current of 180 mA causes full-scale deflection. If the galvanometer is to be used to construct an ammeter that deflects full scale for
10.0 A, which resistor is required?
A. $234 \; m\Omega$
B. $342 \; m\Omega$
C. $432 \; m\Omega$
D. $423 \; m\Omega$
参考答案: C
本题详细解析:
暂无
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