Materials and Components The merger of hole and free electron is called Recombination Thermal energy Free electrons Covalent bonding Recombination Thermal energy Free electrons Covalent bonding ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which of the following are true for relative dielectric constant?1. It is dimensionless.2. It is equal to 1 for vacuum.3. It is equal to 1 for all substances. 1 and 2 only 1 and 3 only 2 and 3 only 1, 2 and 3 1 and 2 only 1 and 3 only 2 and 3 only 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which inductor is linear? Sheet steel cored Iron alloy cored Air cored Cast iron cored Sheet steel cored Iron alloy cored Air cored Cast iron cored ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having Low permittivity High permittivity Permittivity same as that of air Permittivity which is neither high nor low Low permittivity High permittivity Permittivity same as that of air Permittivity which is neither high nor low 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 The resistance of a photoconductor May increase or decrease with increase in light intensity Increases with increase in light intensity Remains constant Decreases with increase in light intensity May increase or decrease with increase in light intensity Increases with increase in light intensity Remains constant Decreases with increase in light intensity ANSWER DOWNLOAD EXAMIANS APP