Engineering Materials in EE What is the value of dielectric constant of air? 1. 0. none of these. Less than 1 1. 0. none of these. Less than 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of iron. silicon carbide. silicon. ferrites. iron. silicon carbide. silicon. ferrites. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Oil. Glass. Ceramics. Paper. Oil. Glass. Ceramics. Paper. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has high permeability. low permeability. low susceptibility. high permittivity. high permeability. low permeability. low susceptibility. high permittivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. Energy loss is proportional to the area of hysteresis loop. They have fixed value of μr. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. Energy loss is proportional to the area of hysteresis loop. They have fixed value of μr. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently hardness steel. soft iron. stainless steel. none of above. hardness steel. soft iron. stainless steel. none of above. ANSWER DOWNLOAD EXAMIANS APP