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 a direction anti parallel to magnetic field In the same direction as current None of these Normal to both current and magnetic field In a direction anti parallel to magnetic field In the same direction as current None of these 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 Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The number of protons in a silicon atom are 4 14 12 8 4 14 12 8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Nickel is a non-magnetic material. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Debye temperature of metals is About 10 K About 600 K About 200 K About 2 K About 10 K About 600 K About 200 K About 2 K ANSWER DOWNLOAD EXAMIANS APP
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