A-Level
CAIE
Physics
October 2025
QP-202510-Physics-P12 · Question 33
Question (excerpt):
33 A piece of wire X has resistivity , length L and cross-sectional area A. Wire X has a resistance R. A second piece of wire Y is made of a different metal. It has the same resistance as X but has t…
33 A piece of wire X has resistivity , length L and cross-sectional area A. Wire X has a resistance R. A second piece of wire Y is made of a different metal. It has the same resistance as X but has t…
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