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 In a direction anti parallel to magnetic field None of these In the same direction as current Normal to both current and magnetic field In a direction anti parallel to magnetic field None of these In the same direction as current Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Debye temperature of metals is About 10 K About 2 K About 200 K About 600 K About 10 K About 2 K About 200 K About 600 K ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Many compounds also exhibit semiconducting properties. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The fact that domains exhibits spontaneous magnetisation is Curie-Weiss law 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 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components When a dielectric material is subjected to alternating field, the absorption of energy by the material from the field is given by the imaginary part of polarizability. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The merger of hole and free electron is called Free electrons Thermal energy Recombination Covalent bonding Free electrons Thermal energy Recombination Covalent bonding ANSWER DOWNLOAD EXAMIANS APP
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