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 destroyed The superconducting property is not affected 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 may be destroyed The superconducting property is not affected The superconducting property may be affected and resistivity may increase from zero to a low value ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The merger of hole and free electron is called Covalent bonding Free electrons Thermal energy Recombination Covalent bonding Free electrons Thermal energy Recombination ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which inductor is used at high frequencies? Iron alloy cored Cast iron cored Sheet steel cored Ceramic cored Iron alloy cored Cast iron cored Sheet steel cored Ceramic cored ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In a metal, the valence electrons 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 Either B or C Are not shared ANSWER DOWNLOAD EXAMIANS APP
Materials and Components With increase in temperature, the electrical conductivity would Increase in metals but decrease in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Components On the basis of the type of chemical bonds, solids may be classified into Ionic crystals Ionic and valence crystals Ionic crystal, valence crystals and metals Ionic crystals, valence crystals, metal and vander wall crystals Ionic crystals Ionic and valence crystals Ionic crystal, valence crystals and metals Ionic crystals, valence crystals, metal and vander wall crystals ANSWER DOWNLOAD EXAMIANS APP
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