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A magnetic field is generated whenever a current is passing through a wire.

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12y ago

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When does an electromagnet produce a field?

An electromagnet produces a magnetic field when current is passed through it wire winding.


Why does an electromagnet produce a magnetic field?

An electromagnet produces a magnetic field because when an electric current flows through a coil of wire, it creates a magnetic field around the wire. This magnetic field is stronger when the current is stronger and when the coil has more turns.


How is an electromagnet wave generated?

We produce electric field and magnetic field. If we change the electric field with time (so magnetic field alse change), required frequency, then we produce electromagnetic wave.


What is the purpose for an electromagnet in a simple doorbell?

to produce magnetic field to move the piston of the doorbell


What is the magnetic field of an electromagnet similar to?

The magnetic field of an electromagnet is similar to the magnetic field of a permanent magnet. Both exhibit magnetic properties and can attract or repel other magnetic materials. The strength of the magnetic field of an electromagnet can be controlled by adjusting the electrical current flowing through it.


What device can be used to determine the direction of the magnetic field in the electromagnet?

A compass can be used to determine the direction of the magnetic field in an electromagnet. The needle of the compass will align along the direction of the magnetic field lines produced by the electromagnet.


What creates the magnetic field for the electromagnet?

The magnetic field for an electromagnet is created by the flow of electric current through a coil of wire, which generates a magnetic field around the coil.


Why does a compass move when it gets near an electromagnet?

When a compass gets near an electromagnet, the magnetic field produced by the electromagnet interferes with the Earth's magnetic field, causing the compass needle to align with the electromagnet's field instead. This phenomenon is known as magnetic deflection.


Does electromagnet produce electricity or use electricity?

It doesn produce electricity. It uses electricity and shows magnetic properties.


What does a electromagnet create?

An electromagnet creates a magnetic field when an electric current passes through a coil of wire, which magnetizes the core of the electromagnet. This magnetic field allows the electromagnet to attract or repel other objects that contain iron, nickel, or cobalt.


What must happen for an electromagnet to have a magnetic field?

An electromagnet must have a current flowing through its coil of wire in order to generate a magnetic field. When an electric current passes through the coil, it creates a magnetic field around the electromagnet.


What happens when you turn on the current in an electromagnet?

When you turn on the current in an electromagnet, it induces a magnetic field around the magnet. This magnetic field allows the electromagnet to attract or repel other magnetic objects or influence nearby currents. The strength of the magnetic field can be adjusted by changing the amount of current flowing through the electromagnet.