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
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 In a direction anti parallel to magnetic field Normal to both current and magnetic field In the same direction as current None of these In a direction anti parallel to magnetic field Normal to both current and magnetic field In the same direction as current ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The resistance of a photoconductor May increase or decrease with increase in light intensity Increases with increase in light intensity Decreases with increase in light intensity Remains constant May increase or decrease with increase in light intensity Increases with increase in light intensity Decreases with increase in light intensity Remains constant 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 materials which become polarized on the application of mechanical stress are called piezoelectric. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components A characteristic property of crystal is its periodicity of structure. False True False True ANSWER DOWNLOAD EXAMIANS APP
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