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brokenbarbie
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Homework Statement
The bridge circuit below is used to monitor temperature using a thermometer. The thermometer RT has resistance of 100 Ω at 0°C and a linear coefficient with temperature of 0.005 Ω/°C. What is the sensitivity of the bridge (ΔVOUT/ΔT) around 100 °C for ΔT = 1°C? How does it compare with sensitivity around – 100 °C?
Homework Equations
(ΔVOUT/ΔT) = Sensitivity
RT=(1+aΔT)
The Attempt at a Solution
I attempted to calculate output voltage,
First I calculated RT=100* (1 + 0.005 * 100) = 150Ω which is the resistor of the transducer
Then I calculated v1 and v2
v1 = 10*(200/200+200) = 5V
v2 = 10*(150/200+150) = 4.29V
hence Δv=0.71V
and sensitivity = 0.71/1 = 0.71I'm not sure what I've done makes any sense, I followed an example for a wheatsone bridge, any help will be appreciated greatly, thanks =D.
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