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Explain Curie point and hystereris?
An ordinary piece of iron generally has little or no net magnetic moment. Though, if it is placed in a strong enough external magnetic field, domains will re-orient in parallel with that field, and will remain re-oriented when field is turned off, Hence creating a "permanent" magnet. This magnetization as a function of external field is described by a hysteresis curve. However this state of aligned domains isn't a minimal-energy configuration, it's extremely stable and has been observed to persist for millions of years in seafloor magnetite aligned by Earth's magnetic field (whose poles can thereby be seen to flip at long intervals). Net magnetization can be destroyed by heating and then cooling (annealing) the material without an external field, however.
Derive Nerst equation for both anode and cathode.
Q. Explain about Structural Isomerism? When two molecules have the same atoms but different bonds, they are called structural isomers. Thus, the variation of bond type or multi
Determine about the Antiferromagnetic materials Antiferromagnetic materials are materials in which almost all magnetic dipoles are linked up antiparallel to each other. Its sus
Question 1: a. Describe in details the composting process. b. Odour is very often a big problem in composting facilities. Describe some odour avoidance and odour treatment
what will be presure if tempreture is -73?
#question.i need help.
does hydrogyn react with magnesium
In which region can these properties of the fluid be tuned more simply - near the critical point or at higher pressure/temperature (consider the critical constants and the results
effect on human body.
Nitrogen atom has an atomic number of 7 and oxygen has an atomic number 8. The total number of electrons in a nitrate ion will be: (1) 8 (2) 16 (3) 32
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