engineering recuitment MAHATRANSCO AE Electrical Mock Test Engineering Materials Science Structure and Properties of Engineering Materials Classification of Materials
Which one of the following statements is not correct regarding superconductivity of material?
1
Superconducting compounds and alloys do not necessarily have compound which are themselves superconducting.
2
The metals which are very good conductors at room temperature do not exhibit superconducting properties.
3
The metals and compounds which are superconducting are rather bad conductors at ordinary temperature.
4
Monovalent metals, ferromagnetic and anti-ferromagnetic metals are superconducting.
5
None of these