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 When a material is in superconducting state and a magnetic field is applied The superconducting property may be destroyed The superconducting property may be affected and resistivity may increase from zero to a low value The material may become an insulator The superconducting property is not affected The superconducting property may be destroyed The superconducting property may be affected and resistivity may increase from zero to a low value The material may become an insulator The superconducting property is not affected ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In a metal, the valence electrons Are not shared Either B or C Are shared only between neighbouring atoms Are shared by all atoms Are not shared Either B or C Are shared only between neighbouring atoms Are shared by all atoms ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The rule that resistivity of conductors can be separated into two parts viz. temperature independent and temperature dependent is known as Curie rule Matthiessen’s rule Onne’s rule Debye rule Curie rule Matthiessen’s rule Onne’s rule Debye rule ANSWER DOWNLOAD EXAMIANS APP
Materials and Components On the basis of the type of chemical bonds, solids may be classified into Ionic crystal, valence crystals and metals Ionic crystals, valence crystals, metal and vander wall crystals Ionic and valence crystals Ionic crystals Ionic crystal, valence crystals and metals Ionic crystals, valence crystals, metal and vander wall crystals Ionic and valence crystals Ionic crystals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components A vacant electronic state moves in the same direction as would a positive charge carrier. False True False True ANSWER DOWNLOAD EXAMIANS APP
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