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Electric field breaks space-inversion symmetry because it changes the sign of charges under spatial inversion. Magnetic field breaks time-reversal symmetry because reversing the direction of time changes the direction of the field's rotation or flux lines.

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What is the physical significance of gauge transformation?

Gauge transformations are changes to the fields in a physical theory that do not alter the observable quantities or the physical predictions of the theory. In electromagnetism, for example, a gauge transformation modifies the electric and magnetic potentials without affecting the electric and magnetic fields themselves. This reflects the underlying symmetry of the theory and emphasizes that certain mathematical descriptions do not correspond to physical differences. Gauge invariance is fundamental in ensuring the consistency and renormalizability of quantum field theories.


Does electricity always produce a magnetic force?

Magnetism, an aspect of electromagnetism, one of the fundamental forces of nature. Objects such as a bar magnet can influence other magnetic materials, without physically connecting them, because magnetic objects produce a magnetic field. Magnetic fields are usually represented by magnetic flux lines. Magnetic fields influence magnetic materials and also influence charged particles that move through the magnetic field.


What kind of symmetry does an eel have?

Eels have bilateral symmetry. This means they have symmetry across one plane (known as the sagittal plane, and directly down the centre of their body), which means one side of their body approximately mirrors the other side.


What type of symmetry do playthelminthese have?

Arial symmetry


Can you have line of symmetry but not rotational symmetry?

Yes, it is possible to have a shape that has a line of symmetry but does not have rotational symmetry. An example is the letter "K", which has a vertical line of symmetry but cannot be rotated to match its original orientation.

Related Questions

Are Maxwell's equations symmetrical?

Yes, Maxwell's equations exhibit a degree of symmetry, particularly in how they describe electric and magnetic fields. They reveal a duality between electricity and magnetism, as the equations governing electric fields (Gauss's law and Faraday's law) have corresponding magnetic counterparts (Gauss's law for magnetism and Ampère's law with Maxwell's addition). This symmetry is further emphasized by their form in the relativistic framework, where electric and magnetic fields transform into each other under changes of reference frame. However, it’s important to note that the equations do not exhibit complete symmetry due to the absence of magnetic monopoles in classical electromagnetism.


What is magnetic symmetry?

Something that goes through the Atlantic ocean.


What is the relationship between the electric force and potential in a system with spherical symmetry?

In a system with spherical symmetry, the electric force is directly related to the potential. The electric force is the gradient of the electric potential, meaning that the force is stronger where the potential changes more rapidly. This relationship helps to describe how charges interact in a spherical system.


What is the physical significance of gauge transformation?

Gauge transformations are changes to the fields in a physical theory that do not alter the observable quantities or the physical predictions of the theory. In electromagnetism, for example, a gauge transformation modifies the electric and magnetic potentials without affecting the electric and magnetic fields themselves. This reflects the underlying symmetry of the theory and emphasizes that certain mathematical descriptions do not correspond to physical differences. Gauge invariance is fundamental in ensuring the consistency and renormalizability of quantum field theories.


Identify how magnetic symmetry can be used as evidence of sea floor spreading?

As the sea floor spreads the magnetic orientation in the rocks as they cooled is preserved. As the earth's magnetic field changes then a distinct pattern is imprinted in the rocks. If sea floor spreading is true then this unique pattern should be the same on both sides from the spreading point. Measurements of sea bottom rocks verify this symmetry is true. :)


Does electricity always produce a magnetic force?

Magnetism, an aspect of electromagnetism, one of the fundamental forces of nature. Objects such as a bar magnet can influence other magnetic materials, without physically connecting them, because magnetic objects produce a magnetic field. Magnetic fields are usually represented by magnetic flux lines. Magnetic fields influence magnetic materials and also influence charged particles that move through the magnetic field.


Difference between permeability constant and permittivity constant?

Permittivity is the measure of access of electric field in any medium while the other is the same of magnetic field in any medium. This is because of symmetry between the electric field and magnetic field that they depend on the medium in which they exist. The both have different units and different relations with their respective fields. Here is a relation between the both for those who are interested in MODERN PHYSICS but it has nothing to do in electromagnetics alone. 1/( ε0 µ0) =c^2 This answer has been given by Muhammad Saad Nawaz


How does the electric force vary with distance from a point charge in a system exhibiting potential spherical symmetry?

In a system with potential spherical symmetry, the electric force from a point charge decreases as the distance from the charge increases. This relationship follows an inverse square law, meaning that the force decreases proportionally to the square of the distance.


What is the definition of electromagnetic wave?

An electromagnetic wave is a type of energy wave that consists of vibrating electric and magnetic fields propagating through space. These waves carry energy and information through a vacuum or a medium, and they travel at the speed of light. Examples of electromagnetic waves include radio waves, microwaves, visible light, X-rays, and gamma rays.


Do electric field lines radiate outward like spokes on a wheel?

Only from a point charge, or from one with spherical symmetry.


What is a sentence with symmetry in it?

It in symmetry with sentence a is what? What is a sentence with symmetry in it? This sentence with symmetry is symmetry with sentence this.


What is reflectional summetry?

Reflection symmetry, reflectional symmetry, line symmetry, mirror symmetry, mirror-image symmetry, or bilateral symmetry is symmetry with respect to reflection