Materials and Components Electrical contact materials used in switches, brushes, relay must possess 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 High thermal conductivity and high melting point High thermal conductivity and low melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Nickel is a non-magnetic material. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Debye temperature of metals is About 2 K About 10 K About 200 K About 600 K About 2 K About 10 K About 200 K About 600 K ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The phenomenon of dielectric hysteresis occurs with Both AC and DC DC None of these AC Both AC and DC DC None of these AC ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The fact that domains exhibits spontaneous magnetisation is Curie-Weiss law Boltzmann’s statistics Second hypothesis is of Weiss First hypothesis is of Curie Curie-Weiss law Boltzmann’s statistics Second hypothesis is of Weiss First hypothesis is of Curie ANSWER DOWNLOAD EXAMIANS APP
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