Materials and Components Hall effect is observed in a specimen (metal or semi conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is None of these Normal to both current and magnetic field In the same direction as current In a direction anti parallel to magnetic field None of these Normal to both current and magnetic field In the same direction as current In a direction anti parallel to magnetic field ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having Permittivity same as that of air Permittivity which is neither high nor low Low permittivity High permittivity Permittivity same as that of air Permittivity which is neither high nor low Low permittivity High permittivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In van der walls crystals, there exists a high degree of stability of the outer electron shell. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The residual resistivity of a binary alloy at 0 K is Dependent on the concentration of minor component in the alloy Difference of residual resistivities of component metals Product of residual resistivities of component metals Sum of residual resistivities of component metals Dependent on the concentration of minor component in the alloy Difference of residual resistivities of component metals Product of residual resistivities of component metals Sum of residual resistivities of component metals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The fact that domains exhibits spontaneous magnetisation is Boltzmann’s statistics Curie-Weiss law Second hypothesis is of Weiss First hypothesis is of Curie Boltzmann’s statistics Curie-Weiss law Second hypothesis is of Weiss First hypothesis is of Curie 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
EXAMIANS