Engineering Materials in EE Which of the following is the ferroelectric material ? Barium titanate. All of these Rochelle salt. Potassium dihydrogen phosphate. Barium titanate. All of these Rochelle salt. Potassium dihydrogen phosphate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many classes of insulating materials are there? 8. 6. 5. 7. 8. 6. 5. 7. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by jumping from one allowed orbit to another. moving faster or slower in an allowed orbit. being completely removed from an atom. jumping from one atom to another atom. jumping from one allowed orbit to another. moving faster or slower in an allowed orbit. being completely removed from an atom. jumping from one atom to another atom. 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. Pure iron, silicon iron, aluminium, bismuth. Silver, copper, aluminium, iron. Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Silver, copper, aluminium, iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related linearly. sinusoidally. parabolically. non linearly. linearly. sinusoidally. parabolically. non linearly. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as super die-electrics. elastomers. hard die-electrics. ferroelectric materials. super die-electrics. elastomers. hard die-electrics. ferroelectric materials. ANSWER DOWNLOAD EXAMIANS APP