The temperature (T) dependence of resistivity of materials A and material B is represented by fig…………..

These are the options for the question :The temperature (T) dependence of resistivity of materials A and material B is represented by fig (i) and fig (ii) respectively.
Identify material A and material B.

(i) material A is copper and material B is germanium
(ii) material A is germanium and material B is copper
(iii) material A is nichrome and material B is germanium
(iv) material A is copper and material B is nichrome

The correct answer is -(ii) material A is germanium and material B is copper