Materials and Components The merger of hole and free electron is called Free electrons Thermal energy Covalent bonding Recombination Free electrons Thermal energy Covalent bonding Recombination ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The phenomenon of dielectric hysteresis occurs with AC Both AC and DC DC None of these AC Both AC and DC DC None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The elements which become superconducting at extremely low temperatures are Good conductors at room temperature Insulators at room temperature Ferromagnetic at room temperature Relatively poor conductors at room temperature Good conductors at room temperature Insulators at room temperature Ferromagnetic at room temperature Relatively poor conductors at room temperature 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 High permittivity Low permittivity Permittivity same as that of air Permittivity which is neither high nor low High permittivity Low permittivity 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, 2 and 3 1 and 3 only 1 and 2 only 2 and 3 only 1, 2 and 3 1 and 3 only 1 and 2 only ANSWER DOWNLOAD EXAMIANS APP
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