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