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A. Wheatstone Bridge such as in Fig. 1 has a Vo=10. with Rk = 5.002 and the unknown resistor Rx at room temperature, the bridge is balanced with R1 = 3.00 and R2= 7.00 cm. What is the value of Rx? While still attached to the bridge, the unknown R is placed in an oven, which raises its temperature by 33.0° C. The value of VAB is then found to be 0.127V. What is the resistance change of the unknown, AR:? What is the % change per degree of the resistivity of this sample? %3D

A. Wheatstone Bridge such as in Fig. 1 has a Vo=10. with Rk = 5.002 and the unknown resistor Rx at room temperature, the bridge is balanced with R1 = 3.00 and R2= 7.00 cm. What is the value of Rx? While still attached to the bridge, the unknown R is placed in an oven, which raises its temperature by 33.0° C. The value of VAB is then found to be 0.127V. What is the resistance change of the unknown, AR:? What is the % change per degree of the resistivity of this sample? %3D

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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. A. Wheatstone Bridge such as in Fig. 1 has a Vo-10. with R 5.000 and the unknown resistor Rx at room temperature, the bridge is balanced with R1 3.00 and R2 7.00 cm. What is the value of Rx? While still attached to the bridge, the unknown Rx is placed in an oven, which raises its temperature by 33.0° C. The value of VAB is then found to be 0.127V. What is the resistance change of the unknown, AR:? What is the % change per degree of the resistivity of this sample? D.
Transcribed Image Text:. A. Wheatstone Bridge such as in Fig. 1 has a Vo-10. with R 5.000 and the unknown resistor Rx at room temperature, the bridge is balanced with R1 3.00 and R2 7.00 cm. What is the value of Rx? While still attached to the bridge, the unknown Rx is placed in an oven, which raises its temperature by 33.0° C. The value of VAB is then found to be 0.127V. What is the resistance change of the unknown, AR:? What is the % change per degree of the resistivity of this sample? D.
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