Engineering Materials in EE Which of the following is the example for piezo-electric material ? None of these Potassium niobate Lead zirconate titanate Copper None of these Potassium niobate Lead zirconate titanate Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? All of these Rochelle salt. Potassium dihydrogen phosphate. Barium titanate. All of these Rochelle salt. Potassium dihydrogen phosphate. Barium titanate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 13 F / m. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Iron : Steel. Water : Air. Nickel : Cobalt. Permalloy : Super-alloy. Iron : Steel. Water : Air. Nickel : Cobalt. Permalloy : Super-alloy. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of removal of magnetic impurities. removing gases from materials. remagnetising metallic parts. demagnetising metallic parts. removal of magnetic impurities. removing gases from materials. remagnetising metallic parts. demagnetising metallic parts. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in motors. loud speakers. all of above. generators. motors. loud speakers. all of above. generators. ANSWER DOWNLOAD EXAMIANS APP