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How does alternating current create an electromagnetic field?

Mabelle McDermott ∙

Lvl 10

∙ 1mo ago

Updated: 3/12/2025

Alternating current creates an electromagnetic field through the flow of electric charge that changes direction periodically. This changing current induces a changing magnetic field, which in turn generates an electromagnetic field around the conductor.

AnswerBot

∙ 1mo ago

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Q: How does alternating current create an electromagnetic field?

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Which type of current is produced by a wire breaking magnetic field lines and changing the polarity?

An alternating current (AC) is produced when a wire cuts through magnetic field lines and experiences a change in polarity. This phenomenon is known as electromagnetic induction, where the changing magnetic field induces a current in the wire.

How is alternating current (AC) generated?

Alternating current (AC) is generated by rotating a coil of wire within a magnetic field, which induces an alternating voltage in the coil. This process is known as electromagnetic induction and is the principle behind how AC electricity is produced in power plants.

What causes alternating current?

Alternating current is caused by a changing magnetic field, which induces a current in a conductor according to Faraday's law of electromagnetic induction. This current changes direction periodically, resulting in a fluctuating voltage waveform.

What is moved up or down repeatedly through a coil of wire an alternating current is inducted in the wire?

A magnet or magnetic field is moved up or down repeatedly through a coil of wire, inducing an alternating current in the wire through electromagnetic induction.

Can we create magnetic field to electric field?

Yes, it is possible to create an electric field from a changing magnetic field. This phenomenon is known as electromagnetic induction, where a changing magnetic field induces the flow of an electric current. Faraday's law of electromagnetic induction describes the relationship between magnetic fields and induced electric fields.

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Related Questions

Why does a transformer require alternating current?

In order to induce voltage as an output, a changing magnetic field is needed. To create a changing magnetic field in the transformer a changing current and that is an alternating current.

Loops of wire that turn in the magnetic field of an armature create?

alternating current

Loops of wire that turn in the magnetic field of an armature create current?

alternating

Is electromagnetism is possible with AC?

AC current creates an alternating magnetic field, consistent with the alternating voltage. The only way I know of using AC current to create a constant magnetic field is to rectify the AC into DC and then use that DC to create the magnetic field.

What occurs because alternating electrical current flowing through a wire creates an electromagnetic field around the wire?

shorts

Which type of current is produced by a wire breaking magnetic field lines and changing the polarity?

An alternating current (AC) is produced when a wire cuts through magnetic field lines and experiences a change in polarity. This phenomenon is known as electromagnetic induction, where the changing magnetic field induces a current in the wire.

How is alternating current (AC) generated?

Alternating current (AC) is generated by rotating a coil of wire within a magnetic field, which induces an alternating voltage in the coil. This process is known as electromagnetic induction and is the principle behind how AC electricity is produced in power plants.

What causes alternating current?

Alternating current is caused by a changing magnetic field, which induces a current in a conductor according to Faraday's law of electromagnetic induction. This current changes direction periodically, resulting in a fluctuating voltage waveform.

What is the purpose of a magnetic field produced by charges in a current?

Depends whether Direct Current or Alternating Current. Only Alternating Current produces magnetic field.

How does a metal detector find the metal?

An alternating current is sent through the detector which creates an electromagnetic field. A piece of metal will disrupt this field and is detected by the magnetometer or another coil.

What is moved up or down repeatedly through a coil of wire an alternating current is inducted in the wire?

A magnet or magnetic field is moved up or down repeatedly through a coil of wire, inducing an alternating current in the wire through electromagnetic induction.

Can we create magnetic field to electric field?

Yes, it is possible to create an electric field from a changing magnetic field. This phenomenon is known as electromagnetic induction, where a changing magnetic field induces the flow of an electric current. Faraday's law of electromagnetic induction describes the relationship between magnetic fields and induced electric fields.

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