Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as ferromagnetic. paramagnetic. diamagnetic. bipolar. ferromagnetic. paramagnetic. diamagnetic. bipolar. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? High electrical resistivity. High magnetic permeability. Large hysteresis loop. All of these High electrical resistivity. High magnetic permeability. Large hysteresis loop. All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? None of these Because of high melting point Because of covalent solid Because of large cohesive energy None of these Because of high melting point Because of covalent solid Because of large cohesive energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Permalloy : Super-alloy. Iron : Steel. Nickel : Cobalt. Water : Air. Permalloy : Super-alloy. Iron : Steel. Nickel : Cobalt. Water : Air. 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 retentivity. large B-H loop area. high resistivity. low hysteresis coefficient. high retentivity. large B-H loop area. high resistivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Glass. Oil. Paper. Ceramics. Glass. Oil. Paper. Ceramics. ANSWER DOWNLOAD EXAMIANS APP
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