201 #14 and 15

Last updated almost 5 years ago
2 questions
1

Based on Figure 2, if an insulated wire segment of length 6.6 cm and diameter 0.5 cm had been tested at ΔT = 40 °C, the R value would most likely have been:

1

The physics students tested an insulated wire segment of length 6 cm at ΔT = 40 °C. Based on Figure 3, if the students properly calculated the R to be 89 W, the diameter of the wire segment would most likely be in which of the following ranges?