Materials and Components A vacant electronic state moves in the same direction as would a positive charge carrier. True False True False 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. False True False True 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 Onne’s rule Curie rule Matthiessen’s rule Debye rule Onne’s rule Curie rule ANSWER DOWNLOAD EXAMIANS APP
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 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 Resistivity of Ni remains the same Residual resistivity of Ni at low temperature will increase as Cu atoms act as defect centres 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 Resistivity of Ni remains the same ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The most important set of specifications of transformer oil include dielectric strength and flash point dielectric strength and viscosity flash point and viscosity viscosity and flash point dielectric strength and flash point dielectric strength and viscosity flash point and viscosity viscosity and flash point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles. False True False True ANSWER DOWNLOAD EXAMIANS APP
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