Materials and Components Electrical contact materials used in switches, brushes, relay must possess High thermal conductivity and high melting point Low thermal conductivity and high melting point High thermal conductivity and low melting point Low thermal conductivity and low melting pointL High thermal conductivity and high melting point Low thermal conductivity and high melting point High thermal conductivity and low melting point Low thermal conductivity and low melting pointL ANSWER DOWNLOAD EXAMIANS APP
Materials and Components At room temperature the number of conducting electrons in an intrinsic semiconductor Is small as compared to the number of valence electrons Is almost equal to the number of valence electrons Is a very small fraction of the number of valence electrons Is about half the number of valence electrons Is small as compared to the number of valence electrons Is almost equal to the number of valence electrons Is a very small fraction of the number of valence electrons Is about half the number of valence electrons ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Schrodinger wave equation is a Partial differential equation Linear equation None of these Differential equation Partial differential equation Linear equation None of these Differential equation ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In solid insulator materials having only one kind of atom, the types of polarization which exist are Electronic only Electronic and ionic Electronic, ionic and permanent Electronic only Electronic and ionic Electronic, ionic and permanent ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Spontaneous magnetisation is characteristic of ferromagnetic materials. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The fact that domains exhibits spontaneous magnetisation is Second hypothesis is of Weiss Curie-Weiss law Boltzmann’s statistics First hypothesis is of Curie Second hypothesis is of Weiss Curie-Weiss law Boltzmann’s statistics First hypothesis is of Curie ANSWER DOWNLOAD EXAMIANS APP
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