Engineering Materials in EE Which statement is not true of ferromagnetic materials. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. They have large magnetic susceptibility. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. They have large magnetic susceptibility. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by being completely removed from an atom. moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. jumping from one atom to another atom. being completely removed from an atom. moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. jumping from one atom to another atom. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Hoist. All of these. Generators. Motors. Hoist. All of these. Generators. Motors. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as paramagnetic. ferromagnetic. bipolar. diamagnetic. paramagnetic. ferromagnetic. bipolar. diamagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Calcium silicate. Magnesium silicate. Zinc sulphide. Zinc silicate. Calcium silicate. Magnesium silicate. Zinc sulphide. Zinc silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 1 to 2. 200. 3 to 8. 100. 1 to 2. 200. 3 to 8. 100. ANSWER DOWNLOAD EXAMIANS APP
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