问题
选择题
一个电流表的内阻Rg=36Ω,满偏电流Ig=10mA,将它改装成较大量程的电流表,测得改装后电流表的内阻是0.36Ω,则改装后电流表的量程为和并联的分流电阻分别是( ) A.1A,0.364Ω B.10A,0.0364Ω C.2A,0.728Ω D.0.1A,3.64Ω |
答案
答案:A
一个电流表的内阻Rg=36Ω,满偏电流Ig=10mA,将它改装成较大量程的电流表,测得改装后电流表的内阻是0.36Ω,则改装后电流表的量程为和并联的分流电阻分别是( ) A.1A,0.364Ω B.10A,0.0364Ω C.2A,0.728Ω D.0.1A,3.64Ω |
答案:A