Engineering Materials in EE Which of the following is the ferroelectric material ? Rochelle salt. All of these Potassium dihydrogen phosphate. Barium titanate. Rochelle salt. All of these Potassium dihydrogen phosphate. Barium titanate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. large B-H loop area. high retentivity. high resistivity. low hysteresis coefficient. large B-H loop area. high retentivity. high resistivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 7. 12. 4. 2. 7. 12. 4. 2. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Two different isotopes of an element have different atomic number. numbers of neutrons. numbers of protons. numbers of electrons. atomic number. numbers of neutrons. numbers of protons. numbers of electrons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is pure iron. aluminium. copper. lead. pure iron. aluminium. copper. lead. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom had some made-up rules without explanations. All of these explained the color lines in the hydrogen spectrum. could not explain the line spectrum of atoms larger than hydrogen. had some made-up rules without explanations. All of these explained the color lines in the hydrogen spectrum. could not explain the line spectrum of atoms larger than hydrogen. ANSWER DOWNLOAD EXAMIANS APP
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