来自唐从宽的问题
如图所示的电路,当开关S闭合后()A.若甲表是电流表,乙表是电流表,则电阻R1、R2串联B.若甲表是电压表,乙表是电流表,则电阻R1、R2并联C.若甲表是电压表,乙表是电压表,则电
如图所示的电路,当开关S闭合后()
A.若甲表是电流表,乙表是电流表,则电阻R1、R2串联
B.若甲表是电压表,乙表是电流表,则电阻R1、R2并联
C.若甲表是电压表,乙表是电压表,则电阻R1、R2串联
D.若甲表是电流表,乙表是电压表,则电阻R1、R2并联
1回答
2020-12-2213:35