Engineering Materials in EE Magnetic recording tape is most commonly made from ferric-oxide. small particles of iron. silicon-iron. iron-dust. ferric-oxide. small particles of iron. silicon-iron. iron-dust. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Ferromagnetic. Diamagnetic. Paramagnetic. Soft iron. Ferromagnetic. Diamagnetic. Paramagnetic. Soft iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Potassium niobate Lead zirconate titanate Copper None of these Potassium niobate Lead zirconate titanate Copper None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. 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. Energy loss is proportional to the area of hysteresis loop. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of aluminium, nickel. iron, aluminium. iron, cobalt, nickel. aluminium, nickel, iron and cobalt. aluminium, nickel. iron, aluminium. iron, cobalt, nickel. aluminium, nickel, iron and cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on area of hysteresis loop for the material. intensity of electric field. frequency of applied voltage. presence of magnetic materials in the vicinity. area of hysteresis loop for the material. intensity of electric field. frequency of applied voltage. presence of magnetic materials in the vicinity. ANSWER DOWNLOAD EXAMIANS APP
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