Purchase Solution

Local Loops in a Regional Phone Company

Not what you're looking for?

Ask Custom Question

A regional telephone company has 10 million subscribers.  Each of their telephones is connected to a central office by a copper twisted pair. The average length of these twisted pairs is 10 km. How much is the copper in  the local loops worth?
Assume that the cross section of each strand is a circle 1mm in diameter, the density of copper is  9.0 grams/cm^3 and that copper sells for 3 dollars per kilogram.

Purchase this Solution

Solution Summary

This solution explains the problems of finding the cost of the local loops of a regional telephone company by using the density of copper. The solution is given in detail. This is mainly for solving the problem of transmission of data and that of receiving the data in computer science.   

Solution Preview

Number of subscribers of the regional telepbone company                                      
        = 10 million                                  
        = ...

Solution provided by:
Education
  • BSc, Manipur University
  • MSc, Kanpur University
Recent Feedback
  • "Thanks this really helped."
  • "Sorry for the delay, I was unable to be online during the holiday. The post is very helpful."
  • "Very nice thank you"
  • "Thank you a million!!! Would happen to understand any of the other tensor problems i have posted???"
  • "You are awesome. Thank you"
Purchase this Solution


Free BrainMass Quizzes
Excel Introductory Quiz

This quiz tests your knowledge of basics of MS-Excel.

Javscript Basics

Quiz on basics of javascript programming language.

Inserting and deleting in a linked list

This quiz tests your understanding of how to insert and delete elements in a linked list. Understanding of the use of linked lists, and the related performance aspects, is an important fundamental skill of computer science data structures.

Word 2010: Tables

Have you never worked with Tables in Word 2010? Maybe it has been a while since you have used a Table in Word and you need to brush up on your skills. Several keywords and popular options are discussed as you go through this quiz.

Basic UNIX commands

Use this quiz to check your knowledge of a few common UNIX commands. The quiz covers some of the most essential UNIX commands and their basic usage. If you can pass this quiz then you are clearly on your way to becoming an effective UNIX command line user.