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 2 and 3 only 1 and 2 only 1, 2 and 3 1 and 3 only 2 and 3 only 1 and 2 only 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the atoms of rare gases become larger, electronic polarizability Remains the same Decreases Increases May increase or decrease Remains the same Decreases Increases May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The most important set of specifications of transformer oil include 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 dielectric strength and flash point dielectric strength and viscosity ANSWER DOWNLOAD EXAMIANS APP
Materials and Components When a material is in superconducting state and a magnetic field is applied The superconducting property may be destroyed The material may become an insulator The superconducting property is not affected The superconducting property may be affected and resistivity may increase from zero to a low value The superconducting property may be destroyed The material may become an insulator The superconducting property is not affected The superconducting property may be affected and resistivity may increase from zero to a low value ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the viscosity of a liquid increases, the relaxation time First decreases then increases Increases Remains constant Decreases First decreases then increases Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Components On the basis of the type of chemical bonds, solids may be classified into Ionic crystal, valence crystals and metals Ionic crystals Ionic crystals, valence crystals, metal and vander wall crystals Ionic and valence crystals Ionic crystal, valence crystals and metals Ionic crystals Ionic crystals, valence crystals, metal and vander wall crystals Ionic and valence crystals ANSWER DOWNLOAD EXAMIANS APP
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