A metal resistance thermometer has a resistance = 80.0 Ω at = 20 ºC. The temperature coefficient of resistance of is 4.5×10^-3/ºC. The thermometer is immersed in a container with a melting substance, at which point increases to 115.5 Ω. What is the melting point of the metal?
Choices:
Choices:
| a | 92.99 ºC |
| b | 78.61 ºC |
| c | 137.97 ºC |
| d | 132.99 ºC |
| e | 139.49 ºC |
| f | 102.50 ºC |
| g | 142.50 ºC |
| h | 135.38 ºC |
| i | 189.49 ºC |
| j | 141.07 ºC |
| k | 106.05 ºC |
| l | 146.05 ºC |
| m | 149.49 ºC |
| n | 118.61 ºC |
| o | 154.92 ºC |
| p | 177.97 ºC |
| q | 101.17 ºC |
| r | 114.92 ºC |
| s | 99.49 ºC |
| t | 95.38 ºC |
