Materials and Components The merger of hole and free electron is called Free electrons Covalent bonding Recombination Thermal energy Free electrons Covalent bonding Recombination Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the atoms of rare gases become larger, electronic polarizability Increases Remains the same Decreases May increase or decrease Increases Remains the same Decreases May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Materials and Components On the basis of the type of chemical bonds, solids may be classified into 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 Ionic crystal, valence crystals and metals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components When a material is in superconducting state and a magnetic field is applied 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 The superconducting property may be destroyed The superconducting property may be affected and resistivity may increase from zero to a low value ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In a metal, the valence electrons Either B or C Are shared by all atoms Are not shared Are shared only between neighbouring atoms Either B or C Are shared by all atoms Are not shared Are shared only between neighbouring atoms ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which inductor is used at high frequencies? Cast iron cored Ceramic cored Iron alloy cored Sheet steel cored Cast iron cored Ceramic cored Iron alloy cored Sheet steel cored ANSWER DOWNLOAD EXAMIANS APP
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