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]

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter4: Electric Meters

Section: Chapter Questions

Problem 6RQ

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