Materials and Components Spontaneous magnetisation is characteristic of ferromagnetic materials. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Nickel is a non-magnetic material. 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. 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 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 Normal to both current and magnetic field In the same direction as current ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied. False True False True 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
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