The output of a potentiometer is measured by a voltmeter having a resistance Rm, as shown in the following figure. R; is the resistance of the total length X; of the potentiometer and R; is the resistance between the wiper and common point C for a general wiper position X;. Show that the relative measurement error due to the resistance Rm of the measuring instrument is given by: R¡(R – R¡) R¡R¿ + RmRt – R? Relative error = R, E Ri Xi Rm

The output of a potentiometer is measured by a voltmeter having a resistance Rm, as shown in the following figure. R; is the resistance of the total length X; of the potentiometer and R; is the resistance between the wiper and common point C for a general wiper position X;. Show that the relative measurement error due to the resistance Rm of the measuring instrument is given by: R¡(R – R¡) R¡R¿ + RmRt – R? Relative error = R, E Ri Xi Rm

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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