Materials and Components Many compounds also exhibit semiconducting properties. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The fact that domains exhibits spontaneous magnetisation is Boltzmann’s statistics First hypothesis is of Curie Curie-Weiss law Second hypothesis is of Weiss Boltzmann’s statistics First hypothesis is of Curie Curie-Weiss law Second hypothesis is of Weiss 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 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 the same direction as current Normal to both current and magnetic field None of these In a direction anti parallel to magnetic field In the same direction as current Normal to both current and magnetic field None of these In a direction anti parallel to magnetic field ANSWER DOWNLOAD EXAMIANS APP
Materials and Components With increase in temperature, the electrical conductivity would Decrease in metals but increase in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Components At room temperature the number of conducting electrons in an intrinsic semiconductor Is about half the number of valence electrons Is small as compared to the number of valence electrons Is a very small fraction of the number of valence electrons Is almost equal to the number of valence electrons Is about half the number of valence electrons Is small as compared to the number of valence electrons Is a very small fraction of the number of valence electrons Is almost equal to the number of valence electrons ANSWER DOWNLOAD EXAMIANS APP
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