Engineering Materials in EE Permanent magnets are used in loud speakers. all of above. motors. generators. loud speakers. all of above. motors. generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Maximum number of electrons in a sub-shell with l = 3 and n = 4 is 8. 14. 20. 10. 8. 14. 20. 10. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because / >ferrites have high resistance. ferrites have hig hysteresis. ferrites are magnetic. ferrites have low permeability. / >ferrites have high resistance. ferrites have hig hysteresis. ferrites are magnetic. ferrites have low permeability. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Generators. Hoist. All of these. Motors. Generators. Hoist. All of these. Motors. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Copper Potassium niobate Lead zirconate titanate None of these Copper Potassium niobate Lead zirconate titanate None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 8.854 × 10 - 10 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 12 F / m. ANSWER DOWNLOAD EXAMIANS APP