Physics Short Questions “PHYSICS OF SOLIDS” Notes

Q 71 How the conductivity of a semiconductor,  can be raised?

Q 72 What is superconductor ?

Q. 73 What is domain ?

Q 74 Define diamagnetic,  paramagnetic and ferromagnetic substance ?

Q. 75 Who discovered super conductor first ?

Q 76 When first conductor was discovered ?

Q. 77 What is the source of magnetism of an atom ?

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