Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? High electrical resistivity. All of these Large hysteresis loop. High magnetic permeability. High electrical resistivity. All of these Large hysteresis loop. High magnetic permeability. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 3 to 8. 1 to 2. 100. 200. 3 to 8. 1 to 2. 100. 200. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? Potassium dihydrogen phosphate. Rochelle salt. All of these Barium titanate. Potassium dihydrogen phosphate. Rochelle salt. All of these Barium titanate. 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 The permeability of iron can be increased by alloying with cobalt. increasing carbon percentage. purifying it. reducing carbon percentage. alloying with cobalt. increasing carbon percentage. purifying it. reducing carbon percentage. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? All matter is composed of atoms. An atom contains a dense central nucleus. Atoms of different elements are quite different. Atoms can combine to form compounds. All matter is composed of atoms. An atom contains a dense central nucleus. Atoms of different elements are quite different. Atoms can combine to form compounds. ANSWER DOWNLOAD EXAMIANS APP