Engineering Materials in EE Temporary magnets are used in which of the following ? All of these. Motors. Hoist. Generators. All of these. Motors. Hoist. Generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as curie temperature. conversion temperature. critical temperature. inversion temperature. curie temperature. conversion temperature. critical temperature. inversion temperature. 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
Engineering Materials in EE Permittivity of free space is equal to 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. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? All of these Large hysteresis loop. High electrical resistivity. High magnetic permeability. All of these Large hysteresis loop. High electrical resistivity. High magnetic permeability. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. high resistivity. large B-H loop area. high retentivity. low hysteresis coefficient. high resistivity. large B-H loop area. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
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