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When does a magnet induce an electric current in a wire coil?
A magnet induces an electric current in a wire coil when there is a relative motion between the magnet and the coil, which generates a changing magnetic field. This changing magnetic field induces an electromotive force, leading to the flow of an electric current in the wire coil.
What causes the magnet to rotate in dynamo?
The rotation of a magnet in a dynamo induces a changing magnetic field, which in turn induces an electric current in the surrounding wire coils due to electromagnetic induction. This current produces electrical power that can be harnessed for various applications.
Moving a magnet quickly in and out of a coil of wire produces what?
Moving a magnet quickly in and out of a coil of wire induces an electric current in the wire due to electromagnetic induction. The changing magnetic field created by the moving magnet induces a current flow in the wire loop according to Faraday's law of electromagnetic induction.
A magnet inside a wire loop can produce a current?
Only while the magnet is entering or leaving the loop. If you hold it still, no current is generated. The same goes for a longer magnet where the loop is being moved, but the magnet always remains inside the loop; no current.
When a magnet is moved alongside a wire what happenes?
the electrons in the wire begin to flow
When does a magnet induce an electric current in a wire coil?
A magnet induces an electric current in a wire coil when there is a relative motion between the magnet and the coil, which generates a changing magnetic field. This changing magnetic field induces an electromotive force, leading to the flow of an electric current in the wire coil.
What causes the magnet to rotate in dynamo?
The rotation of a magnet in a dynamo induces a changing magnetic field, which in turn induces an electric current in the surrounding wire coils due to electromagnetic induction. This current produces electrical power that can be harnessed for various applications.
Moving a magnet quickly in and out of a coil of wire produces what?
Moving a magnet quickly in and out of a coil of wire induces an electric current in the wire due to electromagnetic induction. The changing magnetic field created by the moving magnet induces a current flow in the wire loop according to Faraday's law of electromagnetic induction.
A magnet inside a wire loop can produce a current?
Only while the magnet is entering or leaving the loop. If you hold it still, no current is generated. The same goes for a longer magnet where the loop is being moved, but the magnet always remains inside the loop; no current.
When a magnet is moved alongside a wire what happenes?
the electrons in the wire begin to flow
A machine that uses a magnet to make electricity is called?
A generator is a machine that uses a magnet to produce electricity. As the magnet rotates within coils of wire, it induces an electric current to flow, generating electrical power.
Will there be a induced current if the magnet remains at rest?
No, a stationary magnet will not induce a current in a nearby conductor. Movement or change in magnetic field is required to induce an electric current in a conductor through electromagnetic induction.
Why there is an induced current in a coil when a bar magnet is thrust out of the coil?
The magnetic lines of force surrounding the bar magnet, cut through the coils of wire, causing electrons to move. This induces an electric current. It is the movement that is important, whether moving into, or out of, the coil.
When a magnet is moved through a coil of wire an electric current is generated in the coil because?
the moving magnet creates a changing magnetic field around the coil of wire. This changing magnetic field induces an electric current in the wire according to Faraday's law of electromagnetic induction.
What happens when a magnet moves in a coil wire?
When a magnet moves in a coil of wire, it induces an electric current in the wire through electromagnetic induction. This phenomenon is described by Faraday's law of electromagnetic induction. The induced current flows in the wire in response to the changing magnetic field produced by the moving magnet.
Why does a magnet fall slower in a copper pipe?
A magnet falls slower in a copper pipe because the magnetic field generated by the moving magnet induces an electric current in the copper pipe, creating a magnetic field that opposes the magnet's motion, causing resistance and slowing it down.
Can a magnet stop an electric current?
A magnet cannot stop an electric current, but it can influence the flow of the current. Moving a magnet near a wire carrying an electric current can induce a voltage in the wire, which can affect the behavior of the current.
