Materials and Components The materials which become polarized on the application of mechanical stress are called piezoelectric. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electrical contact materials used in switches, brushes, relay must possess Low thermal conductivity and high melting point High thermal conductivity and low melting point Low thermal conductivity and low melting pointL High thermal conductivity and high melting point Low thermal conductivity and high melting point High thermal conductivity and low melting point Low thermal conductivity and low melting pointL High thermal conductivity and high melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components A characteristic property of crystal is its periodicity of structure. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The residual resistivity of a binary alloy at 0 K is 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 Difference of residual resistivities of component metals Product of residual resistivities of component metals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components An atom of a rare gas is placed is an electric field E. Then The nucleus will be shifted in the direction of E by an amount which is proportional to E. The nucleus will not be shifted. The nucleus will be shifted in a direction opposite to that of E. The nucleus will be shifted in the direction of E by an amount which is independent of E. The nucleus will be shifted in the direction of E by an amount which is proportional to E. The nucleus will not be shifted. The nucleus will be shifted in a direction opposite to that of E. The nucleus will be shifted in the direction of E by an amount which is independent of E. ANSWER DOWNLOAD EXAMIANS APP
Materials and Components At room temperature the number of conducting electrons in an intrinsic semiconductor Is small as compared to the number of valence electrons Is almost equal to the number of valence electrons Is about half the number of valence electrons Is a very small fraction of 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 about half the number of valence electrons Is a very small fraction of the number of valence electrons ANSWER DOWNLOAD EXAMIANS APP
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