Problem Solving A platinum resistance thermometer has a resistance at 0 °c of 100 Q and forms one arm of a Wheatstone bridge. At this temperature the bridge is balanced with each of the other arms also being 100 Q. The temperature coefficient of resistance of the platinum is 0.0039 °C-1. The supply voltage for the bridge is 6 V. What will be the temperature change if the output voltage is 112.61 mV?

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A platinum resistance thermometer has a
resistance at 0 °c of 100 2 and forms one
arm of a Wheatstone bridge. At this
temperature the bridge is balanced with
each of the other arms also being 100 0.
The temperature coefficient of resistance of
the platinum is 0.0039 °C-1.
The supply voltage for the bridge is 6 V.
What will be the temperature change if
the output voltage is 112.61 mV?
Transcribed Image Text:Problem Solving A platinum resistance thermometer has a resistance at 0 °c of 100 2 and forms one arm of a Wheatstone bridge. At this temperature the bridge is balanced with each of the other arms also being 100 0. The temperature coefficient of resistance of the platinum is 0.0039 °C-1. The supply voltage for the bridge is 6 V. What will be the temperature change if the output voltage is 112.61 mV?
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