Materials and Components Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied. False True False True 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 Free electrons Recombination Thermal energy Covalent bonding Free electrons Recombination Thermal energy Covalent bonding ANSWER DOWNLOAD EXAMIANS APP
Materials and Components At room temperature the number of conducting electrons in an intrinsic semiconductor Is almost equal to the number of valence electrons Is small as compared 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 almost equal to the number of valence electrons Is small as compared 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 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components When a dielectric material is subjected to alternating field, the absorption of energy by the material from the field is given by the imaginary part of polarizability. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The residual resistivity of a binary alloy at 0 K is Difference of residual resistivities of component metals Product of residual resistivities of component metals Dependent on the concentration of minor component in the alloy Sum of residual resistivities of component metals Difference of residual resistivities of component metals Product of residual resistivities of component metals Dependent on the concentration of minor component in the alloy Sum of residual resistivities of component metals ANSWER DOWNLOAD EXAMIANS APP