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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.
Account for the soft nature of rubber material
Q. Describe the manufacturing process of glass. Ans. Manufacturing process of glass 1. Melting: Raw materials, in proper properties mixed with pellets, are finally po
priming and foaming.
Gattermann-koch aldehyde synthesis Benzene is transformed into benzaldehyde by passing a mixture of carbon monoxide and HCl gas within high pressure into the ether solution of
The quantum number which may be designated by s, p, d, and f instead of number is: (1) n (2) l (3) m 1
Differentiate between extrinsic and intrinsic semiconductor. Obtain an expression for the carrier concentration for an intrinsic semi-conductor. Also demonstrate that Fermi level i
who it whould be make
The distribution of electrons into Hybrid orbitals is as per the Paulis Exclusion principle and the Hunds rule of Maximum Multiplicity.
Oxidation no of fe in fe2o3
Steric effect - Organic Chemistry On account of the existence of bulkier groups at the reaction centre, they makes problem as mechanical interference and with the result the at
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