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 When a material is in superconducting state and a magnetic field is applied The superconducting property is not affected The material may become an insulator The superconducting property may be affected and resistivity may increase from zero to a low value The superconducting property may be destroyed The superconducting property is not affected The material may become an insulator The superconducting property may be affected and resistivity may increase from zero to a low value The superconducting property may be destroyed ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Many compounds also exhibit semiconducting properties. True False True False 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 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 2 and 3 only ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The phenomenon of dielectric hysteresis occurs with AC DC None of these Both AC and DC AC DC None of these Both AC and DC ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Debye temperature of metals is About 600 K About 2 K About 200 K About 10 K About 600 K About 2 K About 200 K About 10 K ANSWER DOWNLOAD EXAMIANS APP
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