3. A 2-wire d.c. distributor AB 500 metres long is fed from point A and is loaded as under : Distance from feeding point A (in metres) Load (amperes) If the specific resistance of copper is 1-7×10 2m, what must be the cross-section of each wire in order that the voltage drop in the distributor shall not exceed 10 volts ? 100 400 40 500 300 40 20 50 [1-734 cm]

3. A 2-wire d.c. distributor AB 500 metres long is fed from point A and is loaded as under : Distance from feeding point A (in metres) Load (amperes) If the specific resistance of copper is 1-7×10 2m, what must be the cross-section of each wire in order that the voltage drop in the distributor shall not exceed 10 volts ? 100 400 40 500 300 40 20 50 [1-734 cm]

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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D Question 8 1. AK-type thermocouple as shown in the figure below generates a voltage that is proportional to temperature. Typically, the slope of the voltage vs. temperature line is about 41μV/C (micro-volts per degrees Celsius). Assume that the thermocouple is directly connected to a 20-bit ADC that has a range of 0-5 volts D.C. (You'll find out next week we don't do it this way, and that makes for a reason to come back to class.) Calculate the smallest change in temperature that results in a change of on bit of the ADC. About 3 degrees Celcius O About 1 degree Celcius About 20 degrees Celcius About 0.1 degrees Celcius