2. What is the resistance at normal room temperature of 80 m of copper wire having a diameter of 0.64 mm? (@copper = 1.7241 x 10-8 Q- m at 20 °C). %3D

Delmar's Standard Textbook Of Electricity
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Chapter1: Atomic Structure
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Problem 5RQ: How many valence electrons are generally contained in materials used for conductors?
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2. What is the resistance at normal room temperature of 80 m of
copper wire having a diameter of 0.64 mm? (@copper = 1.7241 x 10-8 Q-
m at 20 °C).
Transcribed Image Text:2. What is the resistance at normal room temperature of 80 m of copper wire having a diameter of 0.64 mm? (@copper = 1.7241 x 10-8 Q- m at 20 °C).
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