题目内容
(请给出正确答案)
[多选题]
已知R1和R2两电阻组成并联电路,其总电阻计算公式为()
A.R=R1/(R1+R2)
B.R=(R1+R2)/R2
C.1/R=1/R1+1/R2
D.R=R1×R2/(R1+R2)
答案
CD
如果结果不匹配,请 联系老师 获取答案
A.R=R1/(R1+R2)
B.R=(R1+R2)/R2
C.1/R=1/R1+1/R2
D.R=R1×R2/(R1+R2)
CD
A.两电阻电流之比I1:I2=3:1
B.两电阻上电压之比U1:U2=1:1
C.两电阻功率之比P1:P2=3:1
D.两电阻电流之比I1:I2=1:3
A.两电阻电流之比I1:I2=1:2
B.两电阻电压之比U1:U2=1:2
C.两电阻功率之比P1:P2=1:2
D.两电阻电流之比I1:I2=1:1