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 A ferrite core has low eddy current loss than an iron core because / >ferrites have high resistance. ferrites are magnetic. ferrites have hig hysteresis. ferrites have low permeability. / >ferrites have high resistance. ferrites are magnetic. ferrites have hig hysteresis. ferrites have low permeability. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as bipolar. ferromagnetic. diamagnetic. paramagnetic. bipolar. ferromagnetic. diamagnetic. paramagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Potassium niobate Lead zirconate titanate Copper None of these Potassium niobate Lead zirconate titanate Copper None 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. being completely removed from an atom. jumping from one allowed orbit to another. jumping from one atom to another atom. moving faster or slower in an allowed orbit. being completely removed from an atom. jumping from one allowed orbit to another. jumping from one atom to another atom. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 8.854 × 10 - 10 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. ANSWER DOWNLOAD EXAMIANS APP
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