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 2 only 1 and 3 only 1, 2 and 3 2 and 3 only 1 and 2 only 1 and 3 only 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The materials which become polarized on the application of mechanical stress are called piezoelectric. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The phenomenon of dielectric hysteresis occurs with Both AC and DC AC DC None of these Both AC and DC AC DC None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Debye temperature of metals is About 10 K About 200 K About 600 K About 2 K About 10 K About 200 K About 600 K About 2 K ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the viscosity of a liquid increases, the relaxation time Decreases Remains constant Increases First decreases then increases Decreases Remains constant Increases First decreases then increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Nickel is a non-magnetic material. True False True False ANSWER DOWNLOAD EXAMIANS APP
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