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If aluminum and copper wires of the same length have the
Chapter 20, Problem 11(choose chapter or problem)
QUESTION:
Problem 11CQ
If aluminum and copper wires of the same length have the same resistance, which has the larger diameter? Why?
Questions & Answers
QUESTION:
Problem 11CQ
If aluminum and copper wires of the same length have the same resistance, which has the larger diameter? Why?
ANSWER:
Solution 11CQ
Step 1 of 3
Resistance can be calculate from the relation,
R =
Here, R is the resistivity, L is the length and A is the area of cross-section.