Materials and Components On the basis of the type of chemical bonds, solids may be classified into Ionic crystal, valence crystals and metals Ionic and valence crystals Ionic crystals Ionic crystals, valence crystals, metal and vander wall crystals Ionic crystal, valence crystals and metals Ionic and valence crystals Ionic crystals Ionic crystals, valence crystals, metal and vander wall crystals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles. 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 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 Which inductor is used at high frequencies? Ceramic cored Cast iron cored Iron alloy cored Sheet steel cored Ceramic cored Cast iron cored Iron alloy cored Sheet steel cored ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having Permittivity same as that of air Low permittivity Permittivity which is neither high nor low High permittivity Permittivity same as that of air Low permittivity Permittivity which is neither high nor low High permittivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The elements which become superconducting at extremely low temperatures are Good conductors at room temperature Ferromagnetic at room temperature Insulators at room temperature Relatively poor conductors at room temperature Good conductors at room temperature Ferromagnetic at room temperature Insulators at room temperature Relatively poor conductors at room temperature ANSWER DOWNLOAD EXAMIANS APP
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