Consider the following statements:
In the case of a superconductor
1. the magnetic flux density is zero
2. the relative permeability is high
3. diamagnetism is large
4. transition temperature varies with isotopic mass
Of these statements

A. High permittivity B. Low permittivity C. Permittivity same as that of air D. Permittivity which is neither high nor low

A. Air cored B. Cast iron cored C. Sheet steel cored D. Iron alloy cored

A. Remains constant B. Increases C. Decreases D. First decreases then increases

A. True B. False