Materials and Components On the basis of the type of chemical bonds, solids may be classified into Ionic crystals Ionic crystal, valence crystals and metals Ionic and valence crystals Ionic crystals, valence crystals, metal and vander wall crystals Ionic crystals Ionic crystal, valence crystals and metals Ionic and valence crystals Ionic crystals, valence crystals, metal and vander wall crystals 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 Electrical contact materials used in switches, brushes, relay must possess 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 Low thermal conductivity and low melting pointL High thermal conductivity and low melting point High thermal conductivity and high melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the viscosity of a liquid increases, the relaxation time Decreases Increases First decreases then increases Remains constant Decreases Increases First decreases then increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having High permittivity Low permittivity 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 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The resistance of a photoconductor Decreases with increase in light intensity May increase or decrease with increase in light intensity Remains constant Increases with increase in light intensity Decreases with increase in light intensity May increase or decrease with increase in light intensity Remains constant Increases with increase in light intensity ANSWER DOWNLOAD EXAMIANS APP
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