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An electromagnet its magnetism if the electric current stops flowing?
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∙ 14y ago
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∙ 14y ago
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How does electricity produce magnetism in an electromagnet?
An electromagnet uses an electric current flowing through a wire. That current creates a magnetic field around the wire and is the basis for Ampereâ??s circuital law. In electromagnet can be amplified by both increasing the charge, and also wrapping the wire around a soft metal like iron.By electricy i think
Two ways to increase the strength of an electromagnet?
-- Increase the current (amperes) flowing through the coil of wire that surrounds the electromagnet. -- Increase the number of 'turns' of wire in the coil.
How does electricity cause magnetism?
Changing the amount of magnetic field (known as "flux") through a conductor exerts a force on charged particles (electrons in the wire). A change in magnetic field strength in a region of space induces an electric field which circles the magnetic field lines, surprisingly whether or not there is a conductor there or not. It turns out that magnetism and electricity are inherently linked, they are kind of manifestations of the same thing. If "something" has the property of electric charge, it creates an electric field. If that something moves, it creates a magnetic field.
How do magnetism and eletricity work together?
Electricity and magnetism can create each other: Electricity flowing in a wire projects a magnetic field around the wire. Electromagnets, solenoids and motors are examples of this. Magnetic lines of force cutting across a wire induces an electric current in the wire. Generators and alternators are examples of this.
What will happen to the current if the magnet and coil were not moving?
I assume you mean in a setup similar to an electrical generator. Here, current is ONLY produced if there is relative movement, between the magnet and coil. Without movement, there will be no current.
Is an electromagnet created by electricity?
Yes. Electromagnets are named only because magnetism is caused because of electric current flowing through.
How can you make a electromagnet lose its magnetism?
by decreasing its current,by decreasing turns of coil
Which magnet made by an electric current flowing through wires?
Electromagnet.
What will only produce magnetism when current is flowing through it?
Any electrical conductor only will. Ah! You're fishing for "electromagnet".
What controls the strength of a magnet made with electric current?
The strength of a magnet(electromagnet) made by flowing electric current through a conducting coil depends on magnitude of current. . .
Can Magnetism cause an electric current to flow in a conductor?
Yes, a MOVING magnetic field will cause electric current to flow in a conductor. Conversely an electric current flowing in a conductor will cause a magnetic field.
Is an electromagnet a coil of wire with current flowing through?
Yes.
On what factors does the strength of an electroment depends?
The strength of electromagnet depends on the electric current flowing through the core because when the current is stopped, the core is no longer magnetized and the rate of change of flux linkage.
Why magnetic force around the electromagnet is not permanent?
An electromagnet is only live (magnetised) when a current is flowing through the coil.
What will happen to the electromagnet when current flows in the wire around it?
A coil of wire in which current is flowing is an electromagnet. If to that arrangement you add an iron core, then the magnet will get stronger.
What type of magnet is temporary?
Electromagnet. Magnetic only when current is flowing in the coil.
What happens when a current stops flowing through the wire of an electromagnet?
magnetic fieldOnly
