Materials and Components The elements which become superconducting at extremely low temperatures are Good conductors at room temperature Relatively poor conductors at room temperature Insulators at room temperature Ferromagnetic at room temperature Good conductors at room temperature Relatively poor conductors at room temperature Insulators at room temperature Ferromagnetic at room temperature 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 may be affected and resistivity may increase from zero to a low value The superconducting property may be destroyed The superconducting property is not affected The material may become an insulator The superconducting property may be affected and resistivity may increase from zero to a low value The superconducting property may be destroyed The superconducting property is not affected ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In van der walls crystals, there exists a high degree of stability of the outer electron shell. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Many compounds also exhibit semiconducting properties. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components On the basis of the type of chemical bonds, solids may be classified into Ionic crystals Ionic crystal, valence crystals and metals Ionic and valence crystals Ionic crystals, valence crystals, metal and vander wall crystals Ionic crystals Ionic crystal, valence crystals and metals Ionic and valence crystals Ionic crystals, valence crystals, metal and vander wall crystals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Schrodinger wave equation is a Linear equation Partial differential equation Differential equation None of these Linear equation Partial differential equation Differential equation None of these ANSWER DOWNLOAD EXAMIANS APP
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