Documents Superconductivity

Superconductivity If mercury is cooled below 4.1 K, it loses all electric resistance. This discovery of superconductivity by H. Kammerlingh Onnes in 1911 was followed by…

Documents Engineering Physics 2 Unit-3

Unit – 3 Magnetic Materials 1 Magnetic materials are substance which upon being introduced into an external magnet field, they themselves become source of an additional…