Materials and Components The fact that domains exhibits spontaneous magnetisation is Curie-Weiss law Boltzmann’s statistics Second hypothesis is of Weiss First hypothesis is of Curie Curie-Weiss law Boltzmann’s statistics Second hypothesis is of Weiss First hypothesis is of Curie ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having Low permittivity Permittivity which is neither high nor low High permittivity Permittivity same as that of air Low permittivity Permittivity which is neither high nor low High permittivity Permittivity same as that of air ANSWER DOWNLOAD EXAMIANS APP
Materials and Components A leakage capacitor can be represented by a capacitance C and resistance R in parallel C. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electrical contact materials used in switches, brushes, relay must possess High thermal conductivity and high melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point High thermal conductivity and low melting point High thermal conductivity and high melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point High thermal conductivity and low melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The materials which become polarized on the application of mechanical stress are called piezoelectric. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the viscosity of a liquid increases, the relaxation time Increases Remains constant Decreases First decreases then increases Increases Remains constant Decreases First decreases then increases ANSWER DOWNLOAD EXAMIANS APP