时间t/min | 0 | 1 | 2 | 3 | 4 | 5 |
甲的温度/℃ | 20 | 22 | 24 | 26 | 28 | 30 |
乙的温度/℃ | 20 | 25 | 30 | 35 | 40 | 45 |
UAB/V |
UBC/V |
UAC/V |
2.4 |
1.4 |
3.8 |
A.50Ω 1.0A B.30Ω 1.0A C.20Ω 1.0A