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Differentiate soft magnetic material from hard magnetic material in respect of hysteresis losses, eddy current losses and domain wall motion with appropriate examples and plots.
Soft magnetic materials should have low hysteresis losses and low eddy current losses. Easy domain wall motion is key factor in keeping hysteresis losses to a minimum. Increasing electrical resistivity of magnetic medium reduces eddy current losses. Hard magnetic materials should retain a large part of their magnetization on removal of the applied field. Obstacles to domain wall motion must be provided in permanent magnets so that energy product high residual induction Br times larger coercive force Hc is large.
I''m trying to find articles and books online that I can get information on the mechanism of the Darzen''s reaction. Any ideas?
why ionisation energy of aluminium is greater then Ga?
Uses of Cellulose - biomolecules (i) Cellulose is used as such in the manufacture of cloth (cotton), canvas and gunny bags (jute) and paper (wood, bamboo, straw, etc.) (ii)
Q.How can we determine Concentrations of Solutions? Ans. The concentration of a solution is the quantitative expression of the amount of solute dissolved in the solution.
application
thermoplastics
Q. Example to show scientific notation? Solve the following problem. 2.45 *10 14 kg + 4.00 * 10 12 kg First articulate both quantities to the same power of ten. Either
How many unpaired electrons in Fe (II)?
assignment of plazma
i am synthesing the azipines and i wana to fet the azipine with different subsituites. how can i get with triflouro subsituited azipines?
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