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How are electric currents and magnetism related?
Magnetism could be produced due to the flow of electrical current. This was first discovered by Oersted. By changing the magnetic flux linked with a coil electric current could be induced. This was first studied by Michael Faraday. Just due to the orbital motion or spin motion of electron magnetism is produced in tiny form and is known as magnetic dipoles. Such dipoles getting oriented in different form lead to form dia, para and ferro magnetic materials.
Which best describes visible light in relation to other forms of electromagnetic radiation?
Visible light is a small region of the electromagnetic spectrum that is characterized by a specific range of wavelengths and frequencies
How did Oersted discover the relationship between an electricity and magnetism?
Hans Christian Oersted discovered the relationship between electricity and magnetism in 1820 when he observed that an electric current flowing through a wire caused a nearby compass needle to deflect. This observation demonstrated that an electric current produces a magnetic field.
What is the purpose of magnets in electric generators?
the electro magnet is allowed to spin in circular rotation , and because the magnet has magnetic lines of flux exuding from itself, the magnetic lines induce electrical current into the stator electrical winding circuits by the action of passing thruogh the area of the stator windings
Where is the cosmic rays radiation located on the electromagnetic spectrum in relation to other kinds of radiation?
Cosmic rays are not part of the EM spectrum -- they are high energy charged particles.
How are the magnetic fields oriented in relation to the electric fields in electromagnetic waves?
In electromagnetic waves, the magnetic fields are oriented perpendicular to the electric fields.
Where do you get electromagnetic energy?
•Electromagnetic energy is a combination of electric and magnetic fields vibrating in relation to another. •Includes -Power -Radio waves -Infrared light -Visible light -Ultraviolet light -X rays -Gamma rays -Cosmic rays •Electromagnetic waves are formed when an electric field (shown as blue arrows) couples with a magnetic field (shown as red arrows). •The magnetic and electric fields of an electromagnetic wave are perpendicular to each other and to the direction of the wave.
What is the application of the right hand rule for electromagnetic waves?
The right hand rule for electromagnetic waves is used to determine the direction of the electric field, magnetic field, and wave propagation in relation to each other. It helps in understanding the orientation and behavior of electromagnetic waves in various situations.
How are electric currents and magnetism related?
Magnetism could be produced due to the flow of electrical current. This was first discovered by Oersted. By changing the magnetic flux linked with a coil electric current could be induced. This was first studied by Michael Faraday. Just due to the orbital motion or spin motion of electron magnetism is produced in tiny form and is known as magnetic dipoles. Such dipoles getting oriented in different form lead to form dia, para and ferro magnetic materials.
What is relation between light and electromagnetic waves?
Light is an electromagnetic wave.
How is electromagnetic spectrum related to electrons?
No direct relation; electromagnetic waves are transmitted by photons. However, electromagnetic waves are often caused by the acceleration of electric charges, and those charges are usually electrons. Also, electromagnetic waves are emitted and absorbed when an electron (in an atom) changes to another energy level.
What oscillates in electromagnetic waves?
In a medium the wave 'signal' is transmitted by particle polarisation and atomic scattering, at a rate subject to Fresnel's refraction coefficient 'n'. Between those particles, and in a vacuum, nobody really knows. It used to be the 'luminiferous ether', but it's light transmitting properties were 'removed' as a 'stipulation' of the Special Theory of Relativity, (STR) which said motion and speed was only relative and could not be 'in relation to any 'background''. This was done to explain the constancy of light speed (CSL) with respect to moving receivers. Many have pointed out it's logical inconsistency (giving rises to paradoxes), but no alternative theory explaining CSL has yet replaced it. The only one available so far is the discrete field model (DFM), suggesting light changes speed locally to 'c' at each receiver (complying with 'n'). This allows the 'quantum field' (ex 'ether') back, resolves the paradoxes and explains the anomalies, but the STR is a 'ruling paradigm', which are almost impossible to change with current scientific thinking.
What is the relation of conductor velocity?
The conductor velocity is directly related to the induced voltage in a conductor moving through a magnetic field. This relationship is described by Faraday's law of electromagnetic induction, which states that the induced voltage is proportional to the rate of change of magnetic flux through the conductor.
Where does a magetic field occur in the relation to an electric wire?
A magnetic field occurs around an electric wire when current flows through it. The magnetic field is perpendicular to the direction of the current flow and its strength increases with the amount of current passing through the wire.
What is the direction of polarization?
The direction of polarization refers to the orientation of the electric field in an electromagnetic wave. It can be vertical, horizontal, diagonal, circular, or elliptical, depending on how the wave vibrates in relation to its direction of propagation.
How does a compass act to the relation to earth?
A magnetic compass acts in relation to the Earth by aligning a magnetised needle with the lines of the Earth's magnetic field; thus resulting in a needle which points to magnetic North.
What is the relation between medical and electromagnetic?
There is no relation between medical uses of electromagnetic energy and alternative devices. There are no available scientific evidence to support claims in treating any diseases with the use of electromagnetism.
