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 In solid insulator materials having only one kind of atom, the types of polarization which exist are Electronic only Electronic and ionic Electronic, ionic and permanent Electronic only Electronic and ionic Electronic, ionic and permanent 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 Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The merger of hole and free electron is called Recombination Covalent bonding Free electrons Thermal energy Recombination Covalent bonding Free electrons Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In a metal, the valence electrons Either B or C 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 ANSWER DOWNLOAD EXAMIANS APP
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