Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Silver, copper, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for diamagnetic substances. ferromagnetic substances. none of above. non magnetic substances. diamagnetic substances. ferromagnetic substances. none of above. non magnetic substances. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in motors. generators. loud speakers. all of above. motors. generators. loud speakers. all of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. Hoist. Generators. All of these. Motors. Hoist. Generators. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many valence electrons would be found in an atom with the atomic number of 51? 51. none of above. 8. 5. 51. none of above. 8. 5. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid depends on method of heating. decreases with increasing temperature. is independent of temperature. increases with increasing temperature. depends on method of heating. decreases with increasing temperature. is independent of temperature. increases with increasing temperature. ANSWER DOWNLOAD EXAMIANS APP