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 1 and 3 only 2 and 3 only 1 and 2 only 1, 2 and 3 1 and 3 only 2 and 3 only ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Above a certain temperature, the specific heat of a metal becomes constant. This temperature is called Neel temperature Debye temperature Curie temperature Transition temperature Neel temperature Debye temperature Curie temperature Transition temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Components As the atoms of rare gases become larger, electronic polarizability Decreases Increases Remains the same May increase or decrease Decreases Increases Remains the same May increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having Permittivity same as that of air Low permittivity Permittivity which is neither high nor low High permittivity Permittivity same as that of air Low permittivity Permittivity which is neither high nor low High permittivity 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 Matthiessen’s rule Curie rule Debye rule Onne’s rule Matthiessen’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
EXAMIANS