A scientist working under emergency conditions at a jungle based lab realizes that her primitive radio has shorted in the rain and burned out a resister. She wants to match the original resister of 2.50 Ohms but believes that a resistance between 2.25 - 2.75 Ohms would be sufficient. All she has to work with is a spool of fine lead soldering wire and some scrap equipment. a) The wire has a diameter of 1.5 mm and the resistivity of lead is 22*10-8Ohm-meters. How much lead wire would she need to make the resister? b). Looking around the lab she is able to scavenge two 3.5 ohm and one 1.0 ohm resisters from old equipment. Using these three resisters how close can she come to building a 2.50 ohm resister? Explain the optimal configuration and calculate the equivalent resistance.
A scientist working under emergency conditions at a jungle based lab realizes that her primitive radio has shorted in the rain and burned out a resister. She wants to match the original resister of 2.50 Ohms but believes that a resistance between 2.25 - 2.75 Ohms would be sufficient. All she has to work with is a spool of fine lead soldering wire and some scrap equipment. a) The wire has a diameter of 1.5 mm and the resistivity of lead is 22*10-8Ohm-meters. How much lead wire would she need to make the resister? b). Looking around the lab she is able to scavenge two 3.5 ohm and one 1.0 ohm resisters from old equipment. Using these three resisters how close can she come to building a 2.50 ohm resister? Explain the optimal configuration and calculate the equivalent resistance.
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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A scientist working under emergency conditions at a jungle based lab realizes that her primitive radio has shorted in the rain and burned out a resister. She wants to match the original resister of 2.50 Ohms but believes that a resistance between 2.25 - 2.75 Ohms would be sufficient. All she has to work with is a spool of fine lead soldering wire and some scrap equipment.
a) The wire has a diameter of 1.5 mm and the resistivity of lead is 22*10-8Ohm-meters. How much lead wire would she need to make the resister?
b). Looking around the lab she is able to scavenge two 3.5 ohm and one 1.0 ohm resisters from old equipment. Using these three resisters how close can she come to building a 2.50 ohm resister? Explain the optimal configuration and calculate the equivalent resistance.
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