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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The most important set of specifications of transformer oil include flash point and viscosity dielectric strength and viscosity viscosity and flash point dielectric strength and flash point flash point and viscosity dielectric strength and viscosity viscosity and flash point dielectric strength and flash point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the atoms of rare gases become larger, electronic polarizability Remains the same Increases Decreases May increase or decrease Remains the same Increases Decreases May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The merger of hole and free electron is called Thermal energy Free electrons Recombination Covalent bonding Thermal energy Free electrons Recombination Covalent bonding 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. 2 and 3 only 1 and 3 only 1, 2 and 3 1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3 1 and 2 only ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The elements which become superconducting at extremely low temperatures are Good conductors at room temperature Relatively poor conductors at room temperature Ferromagnetic at room temperature Insulators at room temperature Good conductors at room temperature Relatively poor conductors at room temperature Ferromagnetic at room temperature Insulators at room temperature ANSWER DOWNLOAD EXAMIANS APP
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