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 The number of protons in a copper atom are 29 9 11 2 29 9 11 2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Debye temperature of metals is About 200 K About 600 K About 10 K About 2 K About 200 K About 600 K About 10 K About 2 K ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electric dipole moment is expressed in debye unit. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the atoms of rare gases become larger, electronic polarizability May increase or decrease Decreases Increases Remains the same May increase or decrease Decreases Increases Remains the same ANSWER DOWNLOAD EXAMIANS APP
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