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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.
90ml of an unknown concentrated chlorine was diluted with 2250l of water.The dilution now is 0.08mg/l. what is the initial concentration of the chlorine before dilution?
An example for trihydric phenols
Q. For a solution process in which species B is transferred from a gas phase to a liquid solution, find the relation between Δ sol G 0 (solute standard state based on mole fracti
Applications of photochemistry in day today life
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Condensers are an integral part of a distillation process. As we have seen, the vapor feed from the distillation column can enter either a partial condenser or a complete condenser
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