Question

R1和R2串联时总电阻是15欧姆,并联时总电阻是3.6欧姆,则R1=____欧姆、R2____欧姆

Answer 1

据“R1+R2=15”和“(1/R1)+(1/R2)=(1/3.6)”解得：

“R1=6Ω,R2=9Ω或R1=9Ω,R2=6Ω“