Exercise 2-8: It is desired to measure a de current that ranges from 0 to 1 mA using an ammeter whos most sensitive range is 0 to 10 mA. To improve the measurement accuracy, the currentTo be measured should be amplified by a factor of 10. (a) Design the circuit. (b) Assuming that the meter resistance is 150 2 and the maximum output voltage of the amplifier is 15 V, verify that the circuit will perform properly. [Answers: (a) Fig. 2-14, k-IlIx=1+ R/R=10 as required, (b) Rmeter= 150 2 < RL=600 2] %3D %3D %3D %3D (0-10 mA) I ko 150 0 Ix (0-1 mA)

Exercise 2-8: It is desired to measure a de current that ranges from 0 to 1 mA using an ammeter whos most sensitive range is 0 to 10 mA. To improve the measurement accuracy, the currentTo be measured should be amplified by a factor of 10. (a) Design the circuit. (b) Assuming that the meter resistance is 150 2 and the maximum output voltage of the amplifier is 15 V, verify that the circuit will perform properly. [Answers: (a) Fig. 2-14, k-IlIx=1+ R/R=10 as required, (b) Rmeter= 150 2 < RL=600 2] %3D %3D %3D %3D (0-10 mA) I ko 150 0 Ix (0-1 mA)

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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