Materials and Components The merger of hole and free electron is called Thermal energy Recombination Covalent bonding Free electrons Thermal energy Recombination Covalent bonding Free electrons ANSWER DOWNLOAD EXAMIANS APP
Materials and Components If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called Neel temperature Transition temperature Debye temperature Curie temperature Neel temperature Transition temperature Debye temperature Curie temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The residual resistivity of a binary alloy at 0 K is Sum of residual resistivities of component metals Dependent on the concentration of minor component in the alloy Difference of residual resistivities of component metals Product of residual resistivities of component metals Sum of residual resistivities of component metals Dependent on the concentration of minor component in the alloy Difference of residual resistivities of component metals Product of residual resistivities of component metals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In a metal, the valence electrons Are not shared Are shared by all atoms Are shared only between neighbouring atoms Either B or C Are not shared Are shared by all atoms Are shared only between neighbouring atoms Either B or C ANSWER DOWNLOAD EXAMIANS APP
Materials and Components If a small amount of Cu is added to Ni conductor, then Residual resistivity of Ni at low temperature will increase as Cu atoms act as defect centres Resistivity of Ni will increase at all temperatures as Cu destroys the periodicity of Ni and acts as defects Resistivity of Ni will decrease at all temperatures because Cu is a better conductor than Ni Resistivity of Ni remains the same Residual resistivity of Ni at low temperature will increase as Cu atoms act as defect centres Resistivity of Ni will increase at all temperatures as Cu destroys the periodicity of Ni and acts as defects Resistivity of Ni will decrease at all temperatures because Cu is a better conductor than Ni Resistivity of Ni remains the same ANSWER DOWNLOAD EXAMIANS APP
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