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【单选题】
(2019年嘉兴一模考)一个电流表的满偏电流Ig=1mA,内阻Rg=500Ω,要把它改装成 一个量程为10V 的电压表,则应在电流表上 ( )A.
串联一个9.5kΩ 的电阻
B.
并联一个9.5kΩ 的电阻
C.
串联一个10kΩ 的电阻
D.
并联一个10kΩ 的电阻
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