Engineering Materials in EE Which of the following is the ferroelectric material ? Potassium dihydrogen phosphate. Barium titanate. Rochelle salt. All of these Potassium dihydrogen phosphate. Barium titanate. Rochelle salt. All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by moving faster or slower in an allowed orbit. jumping from one atom to another atom. being completely removed from an atom. jumping from one allowed orbit to another. moving faster or slower in an allowed orbit. jumping from one atom to another atom. being completely removed from an atom. jumping from one allowed orbit to another. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In ferromagnetic materials 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. the atomic magnetic moments are parallel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Absolute permittivity of a dielectric medium is represented by None of these εo / εr. εoεr. εr / εo. None of these εo / εr. εoεr. εr / εo. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Magnesium silicate. Zinc sulphide. Calcium silicate. Zinc silicate. Magnesium silicate. Zinc sulphide. Calcium silicate. Zinc silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. ANSWER DOWNLOAD EXAMIANS APP
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