Materials and Components A vacant electronic state moves in the same direction as would a positive charge carrier. False True False True 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 Product of residual resistivities of component metals Difference of residual resistivities of component metals Dependent on the concentration of minor component in the alloy Sum of residual resistivities of component metals Product of residual resistivities of component metals Difference of residual resistivities of component metals Dependent on the concentration of minor component in the alloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which inductor is used at high frequencies? Cast iron cored Ceramic cored Sheet steel cored Iron alloy cored Cast iron cored Ceramic cored Sheet steel cored Iron alloy cored ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the viscosity of a liquid increases, the relaxation time First decreases then increases Remains constant Increases Decreases First decreases then increases Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electrical contact materials used in switches, brushes, relay must possess Low thermal conductivity and low melting pointL High thermal conductivity and low melting point High thermal conductivity and high melting point Low thermal conductivity and high melting point Low thermal conductivity and low melting pointL High thermal conductivity and low melting point High thermal conductivity and high melting point Low thermal conductivity and high melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The rule that resistivity of conductors can be separated into two parts viz. temperature independent and temperature dependent is known as Matthiessen’s rule Onne’s rule Curie rule Debye rule Matthiessen’s rule Onne’s rule Curie rule Debye rule ANSWER DOWNLOAD EXAMIANS APP
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