R1R2串联电路当中:(1);如:U=9V,U1=6V,R1=12Ω,则:R2=Ω.P1=P2=(2);如:U1=3V,U2=2V,I1=0.5A,则:R1=Ω,R2=Ω.P1=P2=(3);如:U=6V,I=0.2A,R1=5Ω,则:U1=V,R2=Ω.P1=P2=(4);如:U=9V,U2=6V,R1=12Ω,则:U1=
R1R2串联电路当中:
(1);如:U=9V,U1=6V,R1=12Ω,则:R2=Ω.P1=P2=
(2);如:U1=3V,U2=2V,I1=0.5A,则:R1=Ω,R2=Ω.P1=P2=
(3);如:U=6V,I=0.2A,R1=5Ω,则:U1=V,R2=Ω.P1=P2=
(4);如:U=9V,U2=6V,R1=12Ω,则:U1=V,R2=Ω,I=A.P1=P2=P=
(5);如:U1∶U2=1∶3,则:I1∶I2=,R1∶R2=,U1∶U=.P1/P2=
(6);如:R=9Ω,U1=3V,U2=6V,则:R1=Ω,R2=Ω.P1=P2=
(7);如:R1∶R2=2∶3,U=15V,则U1=V,U2=V,I1∶I2=.
(8);如:U=9V,R=15Ω,U1=3V,则:R1=Ω,R2=Ω.P1=P2=
R1R2的并联电路当中:
(1),如:I=3A,I1=2A,R1=12Ω,则:R2=Ω.P1=P2=
(2);如:I1=3A,I2=2A,U1=6V,则:R1=Ω,R2=Ω.P1=P2=
(3);如:I=3A,U=6V,R1=3Ω,则:U1=V,R2=Ω.P1=P2=
(4);如:I=0.6A,I2=0.4A,R1=12Ω,则:U1=V,R2=Ω,P1=P2=
(5);如:I1∶I2=1∶3,则:U1∶U2=,R1∶R2=,I1∶I=.P1/P2=
(6);如:R=6Ω,I1=0.3A,I2=0.6A,则:R1=Ω,R2=Ω.P1=P2=
(7);如:R1∶R2=2∶3,I=0.5A,则I1=A,I2=A,U1∶U2=.
(8);如:I=0.9A,R=15Ω,I1=0.3A,则:R1=Ω,R2=Ω.P1=P2=