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 remains the same Resistivity of Ni will decrease at all temperatures because Cu is a better conductor than Ni Resistivity of Ni will increase at all temperatures as Cu destroys the periodicity of Ni and acts as defects Residual resistivity of Ni at low temperature will increase as Cu atoms act as defect centres Resistivity of Ni remains the same Resistivity of Ni will decrease at all temperatures because Cu is a better conductor than Ni Resistivity of Ni will increase at all temperatures as Cu destroys the periodicity of Ni and acts as defects ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The most important set of specifications of transformer oil include dielectric strength and viscosity flash point and viscosity dielectric strength and flash point viscosity and flash point dielectric strength and viscosity flash point and viscosity dielectric strength and flash point viscosity and flash 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 Debye rule Curie rule Onne’s rule Matthiessen’s rule Debye rule Curie rule Onne’s rule ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which inductor is linear? Cast iron cored Air cored Iron alloy cored Sheet steel cored Cast iron cored Air cored Iron alloy cored Sheet steel cored 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 For making a capacitor it is better to have a dielectric having Permittivity which is neither high nor low Permittivity same as that of air High permittivity Low permittivity Permittivity which is neither high nor low Permittivity same as that of air High permittivity Low permittivity ANSWER DOWNLOAD EXAMIANS APP