Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have large B-H loop area. high retentivity. low hysteresis coefficient. high resistivity. large B-H loop area. high retentivity. low hysteresis coefficient. high resistivity. 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 According to the Bohr model, an electron gains or losses energy only by jumping from one atom to another atom. moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. being completely removed from an atom. jumping from one atom to another atom. moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. being completely removed from an atom. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom could not explain the line spectrum of atoms larger than hydrogen. All of these had some made-up rules without explanations. explained the color lines in the hydrogen spectrum. could not explain the line spectrum of atoms larger than hydrogen. All of these had some made-up rules without explanations. explained the color lines in the hydrogen spectrum. 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. increases with increasing temperature. is independent of temperature. depends on method of heating. decreases with increasing temperature. increases with increasing temperature. is independent of temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 7. 4. 12. 2. 7. 4. 12. 2. ANSWER DOWNLOAD EXAMIANS APP