Answer 1 4:50 Ф Ьll all 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 10Qm.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?

Resistance R = resistivity × length / Area. Use above formula to find the unknown parameters.

Answered: 1. A metallic conductor has a…

1. A metallic conductor has a resistivity of 18 x 10m. What is the resistance of a piece that is 30m long and has a uniform cross-sectional area of 3.0 x 10 m'?

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

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.

Question

100%

Answer 1

4:50 Ф Ь
ll all 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 10Qm.
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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