Consider Two Copper Wires

question 34

Multiple Choice

Consider two copper wires. One has twice the length and twice the cross-sectional area of the other. How do the resistances of these two wires compare?

• A)Both wires have the same resistance.
• B)The longer wire has four times the resistance of the shorter wire.
• C)The longer wire has twice the resistance of the shorter wire.
• D)The longer wire has eight times the resistance of the shorter wire.
• E)none of the given answers

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