Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Cobalt, nickel, aluminium, iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? All of these Potassium dihydrogen phosphate. Barium titanate. Rochelle salt. All of these Potassium dihydrogen phosphate. Barium titanate. Rochelle salt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? High temperature. Low temperature. Crystal growth. Friction and wear. High temperature. Low temperature. Crystal growth. Friction and wear. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? Atoms can combine to form compounds. All matter is composed of atoms. Atoms of different elements are quite different. An atom contains a dense central nucleus. Atoms can combine to form compounds. All matter is composed of atoms. Atoms of different elements are quite different. An atom contains a dense central nucleus. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by εo / εr. εr / εo. εoεr. None of these εo / εr. εr / εo. εoεr. None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. high resistivity. high retentivity. large B-H loop area. low hysteresis coefficient. high resistivity. high retentivity. large B-H loop area. ANSWER DOWNLOAD EXAMIANS APP