Materials and Components Spontaneous magnetisation is characteristic of ferromagnetic materials. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components When a dielectric material is subjected to alternating field, the absorption of energy by the material from the field is given by the imaginary part of polarizability. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which inductor is used at high frequencies? Sheet steel cored Cast iron cored Ceramic cored Iron alloy cored Sheet steel cored Cast iron cored Ceramic cored Iron alloy cored 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 Permittivity which is neither high nor low High permittivity Low permittivity Permittivity same as that of air Permittivity which is neither high nor low High permittivity Low permittivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Debye temperature of metals is About 200 K About 2 K About 10 K About 600 K About 200 K About 2 K About 10 K About 600 K ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The materials which become polarized on the application of mechanical stress are called piezoelectric. False True False True ANSWER DOWNLOAD EXAMIANS APP