Q5. The bridge circuit in Figure Q5 below is used to monitor temperature using a thermometer. The resistor R4 acts as a thermometer, and the C voltage supply is 18 V. When the bridge is balanced, R4 = 320 2. What is the value of R3? Calculate the resistance R4 vs Vs relation for the 5 iterations of Vs from 0.5 V to 2.5 V

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Q5. The bridge circuit in Figure Q5 below is used to monitor temperature using a thermometer. The resistor R4
acts as a thermometer, and the C voltage supply is 18 V. When the bridge is balanced, R4 = 320 02. What is the
value of R3? Calculate the resistance R4 vs Vs relation for the 5 iterations of Vs from 0.5 V to 2.5 V
18 V
T
D
R1
250 Ω
R2
440 Ω
Figure Q5
C
2
R3
R4
B
Transcribed Image Text:Q5. The bridge circuit in Figure Q5 below is used to monitor temperature using a thermometer. The resistor R4 acts as a thermometer, and the C voltage supply is 18 V. When the bridge is balanced, R4 = 320 02. What is the value of R3? Calculate the resistance R4 vs Vs relation for the 5 iterations of Vs from 0.5 V to 2.5 V 18 V T D R1 250 Ω R2 440 Ω Figure Q5 C 2 R3 R4 B
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