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Tow resistors R, and R2 are Conneoted in parallel in an electric eircuit .IR the resis tor R. is ehanged Prom 16 to 6.2 ohnis aud Rz is changed Prom 22 to 21.8 ohm's , fiud the absolute change, * relative c hange aud percentage in the totel KEES resistance R.

Tow resistors R, and R2 are Conneoted in parallel in an electric eircuit .IR the resis tor R. is ehanged Prom 16 to 6.2 ohnis aud Rz is changed Prom 22 to 21.8 ohm's , fiud the absolute change, * relative c hange aud percentage in the totel KEES resistance R.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Tow resistors R, and R2 are conneoted in parallel in an elec+ric aircuit.IP the resis tor Ri is ehanged Prom 16 to 6.2 ohn's aud Rz is changed From 22 to 21.8 ohm's, fiud the absolute change, * relative ehange aud percentage in the totel KEES resistance R.
Transcribed Image Text:Tow resistors R, and R2 are conneoted in parallel in an elec+ric aircuit.IP the resis tor Ri is ehanged Prom 16 to 6.2 ohn's aud Rz is changed From 22 to 21.8 ohm's, fiud the absolute change, * relative ehange aud percentage in the totel KEES resistance R.
Expert Solution
Step 1

Scenario - Two resistors are joined in parallel, due to errors the resistances change so total resistance of circuit changes.

Given :

R1=16 Ω∆R1=16.2-16Ω=+0.2ΩR2=16 Ω∆R2=21.8-22Ω=-0.2Ω

Step 2

In parallel equivalent resistance is calculated by→R=R1R2R1+R2

So, equivalent resistance is

→Rtrue=16×2216+22⇒Rtrue=9.263Ω

Measured value of resistance is

→Rmeasured=16.2×21.816.2+21.8⇒Rmeasured=9.294Ω

 

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