Engineering Materials in EE Temporary magnets are used in which of the following ? All of these. Motors. Hoist. Generators. All of these. Motors. Hoist. Generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. They lose their nonlinearly property above the Curie temperature. They have large magnetic susceptibility. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have large magnetic susceptibility. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on frequency of applied voltage. presence of magnetic materials in the vicinity. intensity of electric field. area of hysteresis loop for the material. frequency of applied voltage. presence of magnetic materials in the vicinity. intensity of electric field. area of hysteresis loop for the material. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of sulfur atom is 2, 8, 2. none of these. 2, 8, 6. 1s2 , 2s2 2p6, 3s2 3p6. 2, 8, 2. none of these. 2, 8, 6. 1s2 , 2s2 2p6, 3s2 3p6. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related sinusoidally. linearly. parabolically. non linearly. sinusoidally. linearly. parabolically. non linearly. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εr / εo. εo / εr. εoεr. None of these εr / εo. εo / εr. εoεr. None of these ANSWER DOWNLOAD EXAMIANS APP