Physics (AS & A Level) · Oct / Nov 2017 · Paper 11 · Question 35
9702Resistance and resistivity
Two copper wires X and Y have the same volume. Wire Y is four times as long as wire X. What is the ratio resistance of wire Y / resistance of wire X?
- A1
- B4
- C8
- D16
As printed in the paper
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Correct answer: D. 16
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