A platinum resistance thermometer has a resistance of at and at . If its resistance is measured to be when placed in a hot bath, what is the temperature of the bath, assuming a linear relationship between resistance and temperature?
60°C
70°C
80°C
90°C
Related Questions
A pyrometer is calibrated to measure temperatures in the range of 500°C to 2500°C. Which of the following is NOT a valid reason for choosing a pyrometer over a thermocouple in this temperature range?
The object being measured may be inaccessible for direct contact.
The high temperatures could damage a thermocouple.
Pyrometers offer faster response times.
Pyrometers are more accurate than thermocouples at these temperatures.
