QUESTION 7 Number 10 copper wire (radius = 1.50 mm) is commonly used for electrical installations in homes. What is the voltage drop in 20.0 m of #10 copper wire if it carries a current of 12.0 A? (The resistivity of copper is 1.70 × 10–8 2:m.)
QUESTION 7 Number 10 copper wire (radius = 1.50 mm) is commonly used for electrical installations in homes. What is the voltage drop in 20.0 m of #10 copper wire if it carries a current of 12.0 A? (The resistivity of copper is 1.70 × 10–8 2:m.)
Chapter9: Current And Resistance
Section: Chapter Questions
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Question
Transcribed Image Text:QUESTION 7
Number 10 copper wire (radius = 1.50 mm) is commonly used for electrical installations in homes. What is
the voltage drop in 20.0 m of #10 copper wire if it carries a current of 12.0 A? (The resistivity of copper is
1.70 × 10–8 N·m.)
Expert Solution
Step 1
Given data
- The radius of the wire is given as r = 1.5 mm.
- The length of the wire is given as L = 20 m.
- The current in the wire is given as I = 12 A.
- The resistivity of copper is given as .
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