Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as elastomers. ferroelectric materials. hard die-electrics. super die-electrics. elastomers. ferroelectric materials. hard die-electrics. super die-electrics. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 8.854 × 10 - 11 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 10 F / m. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 200. 3 to 8. 100. 1 to 2. 200. 3 to 8. 100. 1 to 2. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid decreases with increasing temperature. increases with increasing temperature. is independent of temperature. depends on method of heating. decreases with increasing temperature. increases with increasing temperature. is independent of temperature. depends on method of heating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. They have fixed value of μr. They have large magnetic susceptibility. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. They have large magnetic susceptibility. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. ANSWER DOWNLOAD EXAMIANS APP
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