A.9V | B.12V | C.18V | D.6V |
P1 |
U1 |
3W |
6V |
U1 |
I1 |
6V |
0.5A |
P2 |
U2 |
6W |
6V |
U2 |
I2 |
6V |
1A |
A.两只灯泡均被烧坏 |
B.两只灯泡均完好 |
C.15W的灯泡烧坏,100W的灯泡完好 |
D.100W的灯泡烧坏,15W的灯泡完好 |
A.14.4瓦 | B.32.4瓦 | C.0.4瓦 | D.0.9瓦 |
A.1.8瓦 | B.18瓦 | C.180瓦 | D.1800 |
A.3瓦 | B.9瓦 | C.12瓦 | D.24瓦 |
A.甲、乙两灯均能正常发光 |
B.甲、乙两灯一样亮 |
C.甲灯很亮,可能烧坏 |
D.乙灯很亮,可能烧坏 |
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