Materials and Components The merger of hole and free electron is called Thermal energy Free electrons Covalent bonding Recombination Thermal energy Free electrons Covalent bonding Recombination 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 Matthiessen’s rule Onne’s rule Curie rule Debye rule Matthiessen’s rule Onne’s rule Curie rule Debye rule ANSWER DOWNLOAD EXAMIANS APP
Materials and Components If the number of atoms per unit volume of a monoatomic gas changes, the dielectric constant still remains constant. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The elements which become superconducting at extremely low temperatures are Ferromagnetic at room temperature Relatively poor conductors at room temperature Insulators at room temperature Good conductors at room temperature Ferromagnetic at room temperature Relatively poor conductors at room temperature Insulators at room temperature Good conductors at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The phenomenon of dielectric hysteresis occurs with AC DC None of these Both AC and DC AC DC None of these Both AC and DC ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The resistance of a photoconductor Increases with increase in light intensity Remains constant Decreases with increase in light intensity May increase or decrease with increase in light intensity Increases with increase in light intensity Remains constant Decreases with increase in light intensity May increase or decrease with increase in light intensity ANSWER DOWNLOAD EXAMIANS APP