Materials and Components As the atoms of rare gases become larger, electronic polarizability May increase or decrease Remains the same Increases Decreases May increase or decrease Remains the same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Components At room temperature the number of conducting electrons in an intrinsic semiconductor Is a very small fraction of the number of valence electrons Is almost equal to the number of valence electrons Is small as compared to the number of valence electrons Is about half the number of valence electrons Is a very small fraction of the number of valence electrons Is almost equal to the number of valence electrons Is small as compared to the number of valence electrons Is about half the number of valence electrons ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electrical contact materials used in switches, brushes, relay must possess High thermal conductivity and high melting point High thermal conductivity and low melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point High thermal conductivity and high melting point High thermal conductivity and low melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point 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, 2 and 3 2 and 3 only 1 and 3 only 1 and 2 only 1, 2 and 3 2 and 3 only 1 and 3 only ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Ferrimagnetic materials have anti parallel orientation of equal moments of permanent dipoles. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Debye temperature of metals is About 600 K About 10 K About 2 K About 200 K About 600 K About 10 K About 2 K About 200 K ANSWER DOWNLOAD EXAMIANS APP
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