Math Problem Statement
What is the resistance, at 20℃, of an electric motor winding that uses 200m of copper conductor which is 0.26-centimeter square (𝑐𝑚2 ) (approximately 3/16 in. by 3/16 in.) The resistivity of copper at 20℃ is 0.00000172Ω.cm.
Solution
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Math Problem Analysis
Mathematical Concepts
Electrical Resistance
Resistivity
Ohm's Law
Algebra
Formulas
R = ρ * (L / A)
Theorems
Ohm's Law
Suitable Grade Level
Grades 10-12 (High School Physics)
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