一只10欧姆的电阻与一只0.1欧姆的电阻并联,并联后的总电阻(
问题描述:
一只10欧姆的电阻与一只0.1欧姆的电阻并联,并联后的总电阻(
答
0.099009900990099009900990099009900.........
≈0.099
答
10/101欧姆
答
结果是:1/(1/10+1/0.1)=0.099009900990099009900990099009901
答
公式(R1*R2)/(R1+R2)
答
R=(R1*R2)/(R1+R2)
=(10*0.1)/(10+0.1)
=1/10.1
≈0.099Ω