Answer 2 4:50 Ф ЬJ 24%-1. A metallic conductor has a resistivity of 18 x 100-m. What is the resistance of a piece that is30m long and has a uniform cross-sectional area of 3.0 x 10 m?2. How long is a wire made from 100 cm of copper if its resistance is 8.5 ohms? The resistivity ofcopper is 1.7 x 102m.3. A 0.20-m-long metal rod has a radius of 1.0 cm and a resistance of 3.2 x 10 a. What is theresistivity of the metal?

We have to convert them into standard measurements like meter Then We can use the relationship…

Answered: 2. How long is a wire made from 100 cm…

2. How long is a wire made from 100 cm of copper if its resistance is 8.5 ohms? The resistivity of copper is 1.7 x 10* 0m.

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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Concept explainers

KVL and KCL

KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.

Sign Convention

Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.

Question

Answer 2

4:50 Ф Ь
J 24%-
1. A metallic conductor has a resistivity of 18 x 100-m. What is the resistance of a piece that is
30m long and has a uniform cross-sectional area of 3.0 x 10 m?
2. How long is a wire made from 100 cm of copper if its resistance is 8.5 ohms? The resistivity of
copper is 1.7 x 102m.
3. A 0.20-m-long metal rod has a radius of 1.0 cm and a resistance of 3.2 x 10 a. What is the
resistivity of the metal?

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