I2=U/R2=6V/顷凳物弯20欧=0.3A
P1=UI=6V×0.6A=3.6W
P2=UI=6V×0.3A=1.8W
P总雀蚂旅=P1+P2=3.6W+1.8W=5.4W
U=I1×R1=0.6×10=6
I2=U/滑碧游信销R2=6/慧念20=0.3A
总功率=P1+P2=6×0.6+6×0.3
=3.6+1.8
=5.4
在如图所示的电路中,R1=10欧,R2=20欧,闭合开关后,电流表的示数为0.6A。
U=I1×R1=0.6A×10欧=6V I2=U/R2=6V/顷凳物弯20欧=0.3AP1=UI=6V×0.6A=
I2=U/R2=6V/顷凳物弯20欧=0.3A
P1=UI=6V×0.6A=3.6W
P2=UI=6V×0.3A=1.8W
P总雀蚂旅=P1+P2=3.6W+1.8W=5.4W
U=I1×R1=0.6×10=6
I2=U/滑碧游信销R2=6/慧念20=0.3A
总功率=P1+P2=6×0.6+6×0.3
=3.6+1.8
=5.4
I2=U/R2=6V/顷凳物弯20欧=0.3A
P1=UI=6V×0.6A=3.6W
P2=UI=6V×0.3A=1.8W
P总雀蚂旅=P1+P2=3.6W+1.8W=5.4W
U=I1×R1=0.6×10=6
I2=U/滑碧游信销R2=6/慧念20=0.3A
总功率=P1+P2=6×0.6+6×0.3
=3.6+1.8
=5.4