Materials and Components Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The materials which become polarized on the application of mechanical stress are called piezoelectric. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having Permittivity which is neither high nor low High permittivity Low permittivity Permittivity same as that of air Permittivity which is neither high nor low High permittivity Low permittivity Permittivity same as that of air ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The fact that domains exhibits spontaneous magnetisation is Boltzmann’s statistics First hypothesis is of Curie Second hypothesis is of Weiss Curie-Weiss law Boltzmann’s statistics First hypothesis is of Curie Second hypothesis is of Weiss Curie-Weiss law ANSWER DOWNLOAD EXAMIANS APP
Materials and Components When a material is in superconducting state and a magnetic field is applied The superconducting property is not affected The superconducting property may be destroyed The material may become an insulator The superconducting property may be affected and resistivity may increase from zero to a low value The superconducting property is not affected The superconducting property may be destroyed The material may become an insulator The superconducting property may be affected and resistivity may increase from zero to a low value ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called Transition temperature Curie temperature Debye temperature Neel temperature Transition temperature Curie temperature Debye temperature Neel temperature ANSWER DOWNLOAD EXAMIANS APP
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