How does the resistance of a copper wire change when both
Chapter 20, Problem 20.8(choose chapter or problem)
How does the resistance of a copper wire change when both the length and diameter of the wire are doubled? (a) It decreases by a factor of two. (b) It increases by a factor of two. (c) It increases by a factor of four. (d) It decreases by a factor of four. (e) It does not change.
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