Materials and Components If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant. True False True False 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 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 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which of the following are true for relative dielectric constant?1. It is dimensionless.2. It is equal to 1 for vacuum.3. It is equal to 1 for all substances. 1 and 3 only 1 and 2 only 1, 2 and 3 2 and 3 only 1 and 3 only 1 and 2 only 1, 2 and 3 2 and 3 only 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 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 ANSWER DOWNLOAD EXAMIANS APP
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 only Electronic and ionic Electronic, ionic and permanent Electronic only Electronic and ionic ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The merger of hole and free electron is called Covalent bonding Thermal energy Free electrons Recombination Covalent bonding Thermal energy Free electrons Recombination ANSWER DOWNLOAD EXAMIANS APP
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