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 The rule that resistivity of conductors can be separated into two parts viz. temperature independent and temperature dependent is known as Onne’s rule Curie rule Matthiessen’s rule Debye rule Onne’s rule Curie rule Matthiessen’s rule Debye rule ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The merger of hole and free electron is called Covalent bonding Recombination Free electrons Thermal energy Covalent bonding Recombination Free electrons Thermal energy 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 The number of protons in a silicon atom are 8 12 14 4 8 12 14 4 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In a metal, the valence electrons Are not shared Are shared only between neighbouring atoms Are shared by all atoms Either B or C Are not shared Are shared only between neighbouring atoms Are shared by all atoms Either B or C ANSWER DOWNLOAD EXAMIANS APP