Engineering Materials in EE Permanent magnets are used in motors. loud speakers. generators. all of above. motors. loud speakers. generators. all of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Copper None of these Potassium niobate Lead zirconate titanate Copper None of these Potassium niobate Lead zirconate titanate ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by jumping from one atom to another atom. moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. being completely removed from an atom. jumping from one atom to another atom. moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. being completely removed from an atom. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as elastomers. super die-electrics. hard die-electrics. ferroelectric materials. elastomers. super die-electrics. hard die-electrics. ferroelectric materials. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The atomic radius in case of face centered cubic lattice is a / 3. a / 4. a / 2. a. a / 3. a / 4. a / 2. a. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom explained the color lines in the hydrogen spectrum. could not explain the line spectrum of atoms larger than hydrogen. All of these had some made-up rules without explanations. explained the color lines in the hydrogen spectrum. could not explain the line spectrum of atoms larger than hydrogen. All of these had some made-up rules without explanations. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS