Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magneto-calorisation. magnetic expansion. magnetic hysteresis. magnetostriction. magneto-calorisation. magnetic expansion. magnetic hysteresis. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferromagnetic core subjected to cycles of magnetisation will exhibit hysteresis when the cycle is alternating. / >(A), (B), and (C) are all correct. pulsating. rotating. alternating. / >(A), (B), and (C) are all correct. pulsating. rotating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The materials which exhibit the same elastic properties in all directions are called inelastic. isotropic. visco elastic. isentropic. inelastic. isotropic. visco elastic. isentropic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as ferromagnetic. diamagnetic. paramagnetic. bipolar. ferromagnetic. diamagnetic. paramagnetic. bipolar. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 3 to 8. 1 to 2. 200. 100. 3 to 8. 1 to 2. 200. 100. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Susceptibility is negative for ferromagnetic substances. non magnetic substances. none of above. diamagnetic substances. ferromagnetic substances. non magnetic substances. none of above. diamagnetic substances. ANSWER DOWNLOAD EXAMIANS APP