A characteristic property of crystal is its periodicity of structure. True False TRUE ANSWER : ? YOUR ANSWER : ?
Which inductor is linear? Sheet steel cored Cast iron cored Iron alloy cored Air cored TRUE ANSWER : ? YOUR ANSWER : ?
In van der walls crystals, there exists a high degree of stability of the outer electron shell. True False TRUE ANSWER : ? YOUR ANSWER : ?
The residual resistivity of a binary alloy at 0 K is Difference of residual resistivities of component metals Dependent on the concentration of minor component in the alloy Product of residual resistivities of component metals Sum of residual resistivities of component metals TRUE ANSWER : ? YOUR ANSWER : ?
On the basis of the type of chemical bonds, solids may be classified into Ionic crystals Ionic and valence crystals Ionic crystal, valence crystals and metals Ionic crystals, valence crystals, metal and vander wall crystals TRUE ANSWER : ? YOUR ANSWER : ?
Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied. True False TRUE ANSWER : ? YOUR ANSWER : ?
The fact that domains exhibits spontaneous magnetisation is First hypothesis is of Curie Curie-Weiss law Second hypothesis is of Weiss Boltzmann’s statistics TRUE ANSWER : ? YOUR ANSWER : ?
In solid insulator materials having only one kind of atom, the types of polarization which exist are Electronic, ionic and permanent Electronic only Electronic and ionic TRUE ANSWER : ? YOUR ANSWER : ?
Debye temperature of metals is About 600 K About 2 K About 10 K About 200 K TRUE ANSWER : ? YOUR ANSWER : ?