Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Porcelain. Mica. Glass. All of these. Porcelain. Mica. Glass. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as super die-electrics. ferroelectric materials. elastomers. hard die-electrics. super die-electrics. ferroelectric materials. elastomers. hard die-electrics. ANSWER DOWNLOAD EXAMIANS APP
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 The dielectric strength of ferroelectric materials depends to a large extent on area of hysteresis loop for the material. presence of magnetic materials in the vicinity. frequency of applied voltage. intensity of electric field. area of hysteresis loop for the material. presence of magnetic materials in the vicinity. frequency of applied voltage. intensity of electric field. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as ferromagnetic. paramagnetic. bipolar. diamagnetic. ferromagnetic. paramagnetic. bipolar. diamagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid decreases with increasing temperature. increases with increasing temperature. depends on method of heating. is independent of temperature. decreases with increasing temperature. increases with increasing temperature. depends on method of heating. is independent of temperature. ANSWER DOWNLOAD EXAMIANS APP