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
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related linearly. non linearly. sinusoidally. parabolically. linearly. non linearly. sinusoidally. parabolically. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. Hoist. Generators. All of these. Motors. Hoist. Generators. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Iron : Steel. Permalloy : Super-alloy. Nickel : Cobalt. Water : Air. Iron : Steel. Permalloy : Super-alloy. Nickel : Cobalt. Water : Air. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Paper. Ceramics. Oil. Glass. Paper. Ceramics. Oil. Glass. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Paramagnetic. Soft iron. Ferromagnetic. Diamagnetic. Paramagnetic. Soft iron. Ferromagnetic. Diamagnetic. ANSWER DOWNLOAD EXAMIANS APP
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