Debye temperature of metals is About 2 K About 600 K About 200 K About 10 K TRUE ANSWER : ? YOUR ANSWER : ?
A vacant electronic state moves in the same direction as would a positive charge carrier. True False TRUE ANSWER : ? YOUR ANSWER : ?
If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant. False True TRUE ANSWER : ? YOUR ANSWER : ?
As the viscosity of a liquid increases, the relaxation time Increases Remains constant First decreases then increases Decreases TRUE ANSWER : ? YOUR ANSWER : ?
The elements which become superconducting at extremely low temperatures are Ferromagnetic at room temperature Insulators at room temperature Relatively poor conductors at room temperature Good conductors at room temperature TRUE ANSWER : ? YOUR ANSWER : ?
Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles. False True TRUE ANSWER : ? YOUR ANSWER : ?
The most important set of specifications of transformer oil include viscosity and flash point flash point and viscosity dielectric strength and viscosity dielectric strength and flash point TRUE ANSWER : ? YOUR ANSWER : ?
The fact that domains exhibits spontaneous magnetisation is Boltzmann’s statistics Curie-Weiss law Second hypothesis is of Weiss First hypothesis is of Curie TRUE ANSWER : ? YOUR ANSWER : ?