Engineering Materials in EE The core of a transformer for microwave frequency should be made of iron. ferrites. silicon. silicon carbide. iron. ferrites. silicon. silicon carbide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Dielectric constant for vacuum is infinity. 1. 100. 0. infinity. 1. 100. 0. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. high resistivity. high retentivity. large B-H loop area. low hysteresis coefficient. high resistivity. high retentivity. large B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has high permeability. high permittivity. low permeability. low susceptibility. high permeability. high permittivity. low permeability. low susceptibility. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different numbers of protons. atomic number. numbers of neutrons. numbers of electrons. numbers of protons. atomic number. numbers of neutrons. numbers of electrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc sulphide. Calcium silicate. Magnesium silicate. Zinc silicate. Zinc sulphide. Calcium silicate. Magnesium silicate. Zinc silicate. ANSWER DOWNLOAD EXAMIANS APP
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