Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Water : Air. Permalloy : Super-alloy. Iron : Steel. Nickel : Cobalt. Water : Air. Permalloy : Super-alloy. Iron : Steel. Nickel : Cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. purifying it. reducing carbon percentage. increasing carbon percentage. alloying with cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on presence of magnetic materials in the vicinity. frequency of applied voltage. area of hysteresis loop for the material. intensity of electric field. presence of magnetic materials in the vicinity. frequency of applied voltage. area of hysteresis loop for the material. intensity of electric field. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? All of these. Glass. Mica. Porcelain. All of these. Glass. Mica. Porcelain. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εoεr. εr / εo. εo / εr. None of these εoεr. εr / εo. εo / εr. None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? High temperature. Friction and wear. Low temperature. Crystal growth. High temperature. Friction and wear. Low temperature. Crystal growth. ANSWER DOWNLOAD EXAMIANS APP