1. A metallic conductor has a resistivity of 18 x 100m. What is the resistance of a piece that is 30m long and has a uniform cross-sectional area of 3.0 x 10 m'?

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter12: Electronic Control Devices
Section: Chapter Questions
Problem 14RQ
icon
Related questions
icon
Concept explainers
Question
Do no. 1 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
Transcribed Image Text: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
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
8085 Microprocessor
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Electricity for Refrigeration, Heating, and Air C…
Electricity for Refrigeration, Heating, and Air C…
Mechanical Engineering
ISBN:
9781337399128
Author:
Russell E. Smith
Publisher:
Cengage Learning