Materials and Components Spontaneous magnetisation is characteristic of ferromagnetic materials. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components With increase in temperature, the electrical conductivity would Decrease in metals as well as in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having High permittivity Low permittivity Permittivity same as that of air Permittivity which is neither high nor low High permittivity Low permittivity Permittivity same as that of air Permittivity which is neither high nor low 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 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 The number of protons in a copper atom are 9 29 2 11 9 29 2 11 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In a metal, the valence electrons Either B or C Are not shared Are shared only between neighbouring atoms Are shared by all atoms Either B or C Are not shared Are shared only between neighbouring atoms Are shared by all atoms ANSWER DOWNLOAD EXAMIANS APP