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 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 None of these 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 Which inductor is linear? Iron alloy cored Sheet steel cored Air cored Cast iron cored Iron alloy cored Sheet steel cored Air cored Cast iron cored 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called Curie temperature Debye temperature Transition temperature Neel temperature Curie temperature Debye temperature Transition temperature Neel temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the atoms of rare gases become larger, electronic polarizability Decreases Increases May increase or decrease Remains the same Decreases Increases May increase or decrease Remains the same ANSWER DOWNLOAD EXAMIANS APP
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