Materials and Components Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The resistance of a photoconductor Decreases with increase in light intensity May increase or decrease with increase in light intensity Remains constant Increases with increase in light intensity Decreases with increase in light intensity May increase or decrease with increase in light intensity Remains constant Increases with increase in light intensity ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The fact that domains exhibits spontaneous magnetisation is Second hypothesis is of Weiss Curie-Weiss law First hypothesis is of Curie Boltzmann’s statistics Second hypothesis is of Weiss Curie-Weiss law First hypothesis is of Curie Boltzmann’s statistics ANSWER DOWNLOAD EXAMIANS APP
Materials and Components If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In solid insulator materials having only one kind of atom, the types of polarization which exist are Electronic and ionic Electronic only Electronic, ionic and permanent Electronic and ionic Electronic only Electronic, ionic and permanent 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 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 None of these ANSWER DOWNLOAD EXAMIANS APP
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