The resistance R of a piece of wire has thermometric properties which can be described as a linear function of temperature (T, in C), R=mT¹/²+n Where m and n are constants. The resistance of the wire is found to be 4.80 at the temperature of melting ice (0.0 C) and 9.30 2 at the boiling of water (100 ℃) at atmospheric pressure. a) Find the constants m and n. b) Determine the temperature when R is 7.95 2. c) Based on the information provided above, is this wire element suitable for determining temperature below 0 °C?
The resistance R of a piece of wire has thermometric properties which can be described as a linear function of temperature (T, in C), R=mT¹/²+n Where m and n are constants. The resistance of the wire is found to be 4.80 at the temperature of melting ice (0.0 C) and 9.30 2 at the boiling of water (100 ℃) at atmospheric pressure. a) Find the constants m and n. b) Determine the temperature when R is 7.95 2. c) Based on the information provided above, is this wire element suitable for determining temperature below 0 °C?
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Transcribed Image Text:The resistance R of a piece of wire has thermometric properties which can be described
as a linear function of temperature (T, in C),
R=mT¹/2+n
Where m and n are constants. The resistance of the wire is found to be 4.80 at the
temperature of melting ice (0.0 ℃) and 9.30 № at the boiling of water (100 °C) at
atmospheric pressure.
a) Find the constants m and n.
b) Determine the temperature when R is 7.95 №.
c) Based on the information provided above, is this wire element suitable for
determining temperature below 0 ℃?
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