Engineering Materials in EE Permanent magnets are used in motors. all of above. generators. loud speakers. motors. all of above. generators. loud speakers. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high retentivity. high resistivity. low hysteresis coefficient. large B-H loop area. high retentivity. high resistivity. low hysteresis coefficient. large B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Water : Air. Nickel : Cobalt. Iron : Steel. Permalloy : Super-alloy. Water : Air. Nickel : Cobalt. Iron : Steel. Permalloy : Super-alloy. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ________ is the most detrimental impurity in the magnetic materials Carbon. Nitrogen. Sulphur. Oxygen. Carbon. Nitrogen. Sulphur. Oxygen. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has low susceptibility. high permittivity. low permeability. high permeability. low susceptibility. high permittivity. low permeability. high permeability. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? 0. 1. Less than 1 none of these. 0. 1. Less than 1 none of these. ANSWER DOWNLOAD EXAMIANS APP
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