Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid is independent of temperature. decreases with increasing temperature. increases with increasing temperature. depends on method of heating. is independent of temperature. decreases with increasing temperature. increases with increasing temperature. depends on method of heating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 100. 200. 3 to 8. 1 to 2. 100. 200. 3 to 8. 1 to 2. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from silicon-iron. ferric-oxide. iron-dust. small particles of iron. silicon-iron. ferric-oxide. iron-dust. small particles of iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called semi-magnetic. dia-magnetic. ferro-magnectic. None of these semi-magnetic. dia-magnetic. ferro-magnectic. None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Hoist. All of these. Motors. Generators. Hoist. All of these. Motors. Generators. ANSWER DOWNLOAD EXAMIANS APP
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