Materials and Components In solid insulator materials having only one kind of atom, the types of polarization which exist are Electronic, ionic and permanent Electronic and ionic Electronic only Electronic, ionic and permanent Electronic and ionic Electronic only ANSWER DOWNLOAD EXAMIANS APP
Materials and Components On the basis of the type of chemical bonds, solids may be classified into Ionic and valence crystals Ionic crystals, valence crystals, metal and vander wall crystals Ionic crystal, valence crystals and metals Ionic crystals Ionic and valence crystals Ionic crystals, valence crystals, metal and vander wall crystals Ionic crystal, valence crystals and metals Ionic crystals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having High permittivity Low permittivity Permittivity same as that of air Permittivity which is neither high nor low High permittivity Low permittivity Permittivity same as that of air Permittivity which is neither high nor low 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 high melting point Low thermal conductivity and low melting pointL High thermal conductivity and low melting point Low thermal conductivity and high melting point High thermal conductivity and high melting point Low thermal conductivity and low melting pointL High thermal conductivity and low 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 Debye rule Matthiessen’s rule Curie rule Onne’s rule Debye rule Matthiessen’s rule Curie rule Onne’s rule ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The number of protons in a copper atom are 2 29 9 11 2 29 9 11 ANSWER DOWNLOAD EXAMIANS APP
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