Materials and Components The number of protons in a copper atom are 9 11 29 2 9 11 29 2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components On the basis of the type of chemical bonds, solids may be classified into 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 Ionic and valence crystals ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The materials which become polarized on the application of mechanical stress are called piezoelectric. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The resistance of a photoconductor Decreases with increase in light intensity Remains constant Increases with increase in light intensity May increase or decrease with increase in light intensity Decreases with increase in light intensity Remains constant Increases with increase in light intensity May increase or decrease with increase in light intensity ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The merger of hole and free electron is called Covalent bonding Free electrons Recombination Thermal energy Covalent bonding Free electrons Recombination Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having 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 Low permittivity High permittivity ANSWER DOWNLOAD EXAMIANS APP
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