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 a6w 8azl/0t n;s1ol 7botllb2xn intern rfq0xv ;a9fmlru(ubh27 8g- ral resistance of 100 $\Omega$ and deflects full-scale at 2.00 mA. What size resistor should be added to it to convert it to a millivoltmeter capable of reading up to 400 mV?
A. 50.0 $\Omega$ in series
B. 50.0 $\Omega$ in parallel
C. 100 $\Omega$ in series
D. 100 $\Omega$ in parallel
参考答案: C
本题详细解析:
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