Engineering Materials in EE Permanent magnets are used in loud speakers. generators. motors. all of above. loud speakers. generators. motors. all of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Friction and wear. Crystal growth. Low temperature. High temperature. Friction and wear. Crystal growth. Low temperature. High temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials the atomic magnetic moments are parallel. the constituent is only iron. the atomic magnetic moments are antiparallel and unequal. one of the constituent is iron. the atomic magnetic moments are parallel. the constituent is only iron. the atomic magnetic moments are antiparallel and unequal. one of the constituent is iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on presence of magnetic materials in the vicinity. intensity of electric field. area of hysteresis loop for the material. frequency of applied voltage. presence of magnetic materials in the vicinity. intensity of electric field. area of hysteresis loop for the material. frequency of applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? Less than 1 none of these. 0. 1. Less than 1 none of these. 0. 1. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Calcium silicate. Magnesium silicate. Zinc silicate. Zinc sulphide. Calcium silicate. Magnesium silicate. Zinc silicate. Zinc sulphide. ANSWER DOWNLOAD EXAMIANS APP
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