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Figure (a) and figure (b) both are showi...

Figure (a) and figure (b) both are showing the variation of resistivity (p) with temperature (T) for some materials. Identify the types of these materials.

A

material A is copper and material B is germanium

B

material A is germanium and material B is copper

C

material A is nichrome and material B is germanium

D

material A is copper and material B is nichrome

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