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[多选题]
两个电阻R1和R2组成并联电路,已知R1:R2=1:3.则下列说法正确的是()。
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
查看答案
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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.U1 = U2
B.U1 < U2
C.U1 > U2
D.无法比较