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We might call it induction, magnetic induction, or electromagnetic induction, depending on what kind of setup we were inspecting. It is the phenomenon of induction that allows a moving magnetic field to cause (induce) current flow in a conductor. A link can be found below for more information.
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When a magnet is moved alongside a wiremwhat happens?
When a magnet is moved alongside a wire, it induces an electric current in the wire due to the phenomenon of electromagnetic induction. This occurs because the changing magnetic field around the wire generates an electromotive force (EMF) according to Faraday's law of electromagnetic induction. The direction of the induced current depends on the direction of the magnet's movement, as described by Lenz's law, which states that the induced current will flow in a direction that opposes the change in magnetic flux.
As electric generatar produce electric current due to magnetic induction than why current don't produce in electric motor as magnetic induction should also occur in electric motor?
I will attempt to answer the question I think your asking: 'If an electric generator produces an electric current due to magnetic induction, then why isn't a current produced via the same mechanism in an electric motor?' The answer to the best of my understanding is that it is, or at least, it would be. The reason is that in a generator a conducting wire is rotated in a magnetic field and this induces a current as each charged particle experiences a force as determined by F=q(vxB) [this is the vector form of the equation using the vector product] or F=Bqv if you are unfamiliar with vectors. As this causes electrons to move this manifests itself as an alternating current in a wire. Conversely in a motor and alternating current is passed through a magnetic field in a coil of wire, this time the wire now experiences a force F determined by F=I(lxB). This produces a torque on the centre of the motor and it is this torque that drives the motor. However if you were to rotate the coil of the motor externally without supplying a current to it then the reverse process would take place. This would induce an AC current in the motor which would now function as a generator. As a aside if this current was then driven through the generator it would then rotate exactly as the motor did.
What is the flow of electrical charges called?
It is called an electric current.
What is the poduction of a electric or magnetic state by the proximity without contact of an eletricified or magnetized body?
The phenomenon where an electric or magnetic state is induced in a nearby object without direct contact is known as induction. In the case of electric induction, a charged object can cause the redistribution of charges within a neutral conductor, leading to polarization. Similarly, magnetic induction occurs when a magnetic field from a magnet influences nearby materials, inducing magnetism in them. Both processes demonstrate the ability of electric and magnetic fields to affect other bodies at a distance.
What is galvanometer magnetic force and motor effect?
A motor effect is when magnetic flux lines interact with the current flow in the current conducting wire (a production of current means there is a production of a magnetic field, thus the magnetic field of a permanent magnet interacts with the magnetic field of the current), hence causing a motor effect, where electric energy is transformed into mechanical energy. In a galvanometer, the concept of the motor effect is used for it to detect and measure the magnitude of small electric currents as an instrument. A galvanometer uses radial magnets which cover more area of the rotor (this is where the needle is attached), as this rotor consists of an armature and loops of wire, it is perpendicular to the magnetic flux lines of the radial magnet. Therefore as the current flows through the coil, a magnetic field is produced, and the motor effect occurs allowing the needle to move on the scale.
When a conductor is passed through a magnetic field a current is induced in the?
conductor due to electromagnetic induction. This occurs because the changing magnetic field around the conductor induces an electric current to flow through it.
How does electric induction occur?
Electric induction occurs when a changing magnetic field induces an electric current in a nearby conductor. This phenomenon follows Faraday's law of electromagnetic induction, which states that the rate of change of magnetic field induces an electromotive force (emf) in a closed circuit. This induced current can then power electrical devices or be used for various applications.
When heat is transferred to circular current it is called what?
When heat is transferred to a circular current, it is called induced current or eddy current. This phenomenon occurs due to Faraday's law of electromagnetic induction when a changing magnetic field induces an electric current in a conductor like a circular loop.
How is a radiowave produced?
A radiowave is produced when an electric charge, such as an electron, accelerates and oscillates, creating a changing electric field. This changing electric field generates a corresponding magnetic field, and together they propagate through space as electromagnetic radiation. The process typically occurs in antennas, where alternating current generates oscillating electric charges that emit radiowaves.
When does electromagnetic occur?
Electromagnetic induction occurs when a changing magnetic field generates an electric current in a conductor, according to Faraday's law. This phenomenon is the basis for many electrical devices like transformers and generators.
What is the process by which electric current is generated by placing a wire in a magnetic field?
When a wire is placed in a magnetic field and moved relative to the field, an electric current is induced in the wire due to electromagnetic induction. This phenomenon occurs due to the interaction between the magnetic field and the moving electric charges within the wire, creating an electromotive force (EMF) that drives the current flow.
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.
Is lightning a magnetic and electric force?
Lightning is primarily an electric force. It occurs when there is a buildup and discharge of electrical energy in the atmosphere. While magnetic fields can be generated by the flow of electric current in a lightning bolt, the main force driving lightning is electricity.
A device that produces an electric current by rotating a loop of wire in a magnetic field?
This device is called an electric generator. When the loop of wire rotates in the magnetic field, electromagnetic induction occurs, producing an electric current in the wire. Generators are commonly used in power plants to convert mechanical energy into electrical energy.
What happens when moving a magnet through a coil of wire?
When a magnet is moved through a coil of wire, it induces an electric current in the wire due to electromagnetic induction. This occurs because the changing magnetic field created by the moving magnet interacts with the electrons in the wire, causing them to move and generate an electric current. This phenomenon is the basis for generating electricity in devices such as generators and motors.
Why do magnets work?
Magnetic attraction occurs due to the effect of magnetic fields on electrical currents. An electric current would be the flow of electric charge (positive or negative depending on the amount of electrons present). A magnetic field is produced by moving electrical charges to effect other charges (basically).
Why does partial discharge create radio interference?
When discharge occurs, it means that charge moves, and that's a short lived electric current. Rapidly changing electric current causes radio interference, because of the electromagnetic field associated with it.
