Do no. 2 only 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?II

Answered: Image /qna-images/answer/42aee7b8-6e16-40ec-9588-4edec83a4e03.jpg

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* 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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Question

Do no. 2 only

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?
II

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