Materials and Components Spontaneous magnetisation is characteristic of ferromagnetic materials. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Many compounds also exhibit semiconducting properties. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The elements which become superconducting at extremely low temperatures are Relatively poor conductors at room temperature Ferromagnetic at room temperature Good conductors at room temperature Insulators at room temperature Relatively poor conductors at room temperature Ferromagnetic at room temperature Good conductors at room temperature Insulators at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Components At room temperature the number of conducting electrons in an intrinsic semiconductor Is a very small fraction of the number of valence electrons Is about half the number of valence electrons Is small as compared to the number of valence electrons Is almost equal to the number of valence electrons Is a very small fraction of the number of valence electrons Is about half the number of valence electrons Is small as compared to the number of valence electrons Is almost equal to the number of valence electrons ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In a metal, the valence electrons Are shared by all atoms Are shared only between neighbouring atoms Are not shared Either B or C Are shared by all atoms Are shared only between neighbouring atoms Are not shared Either B or C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS