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Q: What influence has the magnetic field strength on the photon energy needed for an EPR transition?
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What kind of energy does a compass use?

Magnetic energy


What is a example of converting electrical energy into magnetic energy?

An electromagnet, a coil of wire round a magnetic core. An electric current in the wire produces a magnetic field round the core, which contains energy which could be used to lift a load.


What is the significance of B-H curve?

H is the symbol for magnetic field strength, which is defined as the magnetomotive force per unit length of a magnetic circuit, where the magnetomotive force is provided by a current-carrying coil, wound around that magnetic circuit. Magnetomotive force is the product of the current flowing through the coil and the number of turns, expressed in amperes (although often spoken as "ampere turns").The magnetomotive force gives rise to the magnetic flux within the magnetic circuit, the intensity of which is termed flux density (symbol B), expressed in teslas.A B-H curve plots changes in a magnetic circuit's flux density as the magnetic field strength is gradually increased. The resulting shape indicates how the flux density increases due to the gradual alignment of the magnetic domains (atoms, that behave like tiny magnets) within the magnetic circuit material. When all the domains have aligned, the B-H curve reaches a plateau and the magnetic circuit is said to be saturated. At this point, any further increase in magnetic field strength has no further effect on the flux density. Different magnetic materials, such as iron, steel, etc., have B-H curves with different slopes and points at which saturation occurs.After reaching saturation, a reduction in the magnetic field strength results in a reduction in the flux density. However, the resulting curve does not quite match the original curve, but 'lags behind' it. This effect is called hysteresis, which is from the Greek, meaning to 'lag behind'.When the magnetic field strength reaches zero, the resulting curve indicates that the flux density has not, itself, reached zero. The value of flux density remaining is termed the remanence (or residual magnetism) of the magnetic material. 'Soft' magnetic materials, used in the manufacture of transformer cores, etc., will have a very small remanence; whereas 'hard' magnetic materials, used in the manufacture of permanent magnets, will have a very high remanence.In order to remove any remanence, the magnetic field strength requires to be reversed (by reversing the direction of the current in the coil) and increased in the opposite direction. The amount of 'negative' magnetic field strength necessary to completely remove the remanence is called coercivity.If we continue to increase the negative magnetic field strength, the magnetic material will again reach saturation in the opposite direction, and the new curve will be a mirror image of the original curve. The complete B-H curve is then usually described as a hysteresis loop. The area contained within a hysteresis loop indicates the energy required to perform the 'magnetise - demagnetise' process.'Soft' magnetic materials require relatively little energy to become magnetised and demagnetised and, so, have 'narrow' hysteresis loops, whereas 'hard' magnetic materials require a great deal of energy and have 'wide' hysteresis loops.So, B-H Curves and Hysteresis Loops are a valuable tools for comparing the characteristics and behaviour of different magnetic materials, in order to select them for an appropriate application.


What happens with the energy associated to the magnetic field of a coil with electric current if the electric current is turned off?

The magnetic field or energy associated with the magnetic field will no longer be generated if the current is turned off.


For a permanent magnet where is the energy associated to the magnetic field of the magnet stored?

For both the magnetic and electric (static) fields, energy is considered to be stored in the field.

Related questions

What is the meaning of the term power?

Force. The ability to influence the lives of others. Energy. Strength. Dynamism. Coercion. Influence.


Does size and thickness of magnet effect it's magnetic strength?

actually yes if you have a thicker magnet then it seems to be stronger because it has more magnetic energy.


Is there magnetic energy in the universe?

yes there is a magnetic energy in the universe


What is f-f transition?

f-f transition: the transition of an electron from an f orbital which is lower in energy to an f orbital which is higher in energy is a f-f transition.


What is the problem associated with magnetic energy?

what are the problems associated with magnetic energy.


What is the purpose of B-H curve?

The purpose of the B-H curve is to quantify the relationship between the magnetic flux density (B) and the magnetic field strength (H) in a material. It helps in understanding the magnetic properties of materials, such as their magnetization behavior and saturation levels, which is essential for designing magnetic devices and systems.


How do you make magnetic energy?

Magnetic energy is made by the connection of 2 magnents


What is the meaning of range in physics terms?

The distance up to which the influence exists. For example, electric charge's influence, magnetic pole's influence, a massive body's gravitational influence


What is the Irish for 'power'?

There are four words in the Irish language for 'power':cumhacht: power, authority, influence; strength, energy cumas: capability, power brí: strength, vigour; significance, meaning neart: strength, power; plenty; control


Is magnetic a type of energy?

It takes some energy to build up a magnetic field; when the magnetic field collapses, the same amount energy is released again. So, it makes sense to consider that somehow, energy is stored in the magnetic field.


What is used for magnetic energy?

Magnetic energy is now being used to power some homes.


What is magnet energy a part of?

Magnetic energy.