Engineering Materials in EE Which of the following is the ferroelectric material ? Potassium dihydrogen phosphate. Barium titanate. All of these Rochelle salt. Potassium dihydrogen phosphate. Barium titanate. All of these Rochelle salt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Generators. Hoist. Motors. All of these. Generators. Hoist. Motors. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. Energy loss is proportional to the area of hysteresis loop. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc silicate. Magnesium silicate. Zinc sulphide. Calcium silicate. Zinc silicate. Magnesium silicate. Zinc sulphide. Calcium silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The electron configuration of copper is none of above. 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p none of above. 1s2 , 2s2 2p6, 3s2 3p6 3d9, 4s2. 1s2 , 2s2 2p6, 3s2 3p6 3d10, 4s1. 1s2 , 2s2 2p6, 3s2 3p6 3d8, 4s1 4p ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as curie temperature. inversion temperature. critical temperature. conversion temperature. curie temperature. inversion temperature. critical temperature. conversion temperature. ANSWER DOWNLOAD EXAMIANS APP
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