Copper Wire #1 Has a Length $L$ And a Radius $b$ Copper Wire #2 Has a Length

question 16

Multiple Choice

Copper wire #1 has a length $L$ and a radius $b$ . Copper wire #2 has a length $2 L$ and a radius $2 b$ . Which statement about the resistance across the ends of the wires is true?

• A) The resistance of wire #1 is equal to that of wire #2.
• B) The resistance of wire #1 is half that of wire #2.
• C) The resistance of wire \(\# 1\) is twice as high as that of wire \(\# 2\).
• D) The resistance of wire #1 is four times higher than that of wire #2.

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