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a) Using the circuit in the figure, the experimenter calculates the internal resistance R. of the structure "X" as RA R1 R2 "U/I" (U and I: Readings of the instruments). Express the Rx X R3 method error (either absolute or relative) in this calculation in terms of given. I RyI

a) Using the circuit in the figure, the experimenter calculates the internal resistance R. of the structure "X" as RA R1 R2 "U/I" (U and I: Readings of the instruments). Express the Rx X R3 method error (either absolute or relative) in this calculation in terms of given. I RyI

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
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a) Using the circuit in the figure, the experimenter RA R1 R2 calculates the internal resistance R. of the structure "X" as A "U/I" (U and I: Readings of the instruments). Express the Rx method error (either absolute or relative) in this calculation in terms of given. R3 RyI b) The resistance R of a resistor is determined as "R=U/I". Here, U is calculated from the reading of a V- meter (nominal voltage: Un, class: 0.5) observing a deflection of 1/3 rd of the full scale. Similarly, I is calculated by observing half-scale deflection on an A-m. What is the class of the A-m if the highest possible value for the instrumental error in resistance calculation is found as 2.5% ? (Give sufficient detail of your calculation)
Transcribed Image Text:a) Using the circuit in the figure, the experimenter RA R1 R2 calculates the internal resistance R. of the structure "X" as A "U/I" (U and I: Readings of the instruments). Express the Rx method error (either absolute or relative) in this calculation in terms of given. R3 RyI b) The resistance R of a resistor is determined as "R=U/I". Here, U is calculated from the reading of a V- meter (nominal voltage: Un, class: 0.5) observing a deflection of 1/3 rd of the full scale. Similarly, I is calculated by observing half-scale deflection on an A-m. What is the class of the A-m if the highest possible value for the instrumental error in resistance calculation is found as 2.5% ? (Give sufficient detail of your calculation)
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