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What flows through a circuit and causes a magnetic field?

An electric current flowing through a circuit causes a magnetic field. This is due to the movement of electric charges, usually electrons, in the circuit. The magnetic field produced is perpendicular to the direction of the current flow.


Why does connecting an electric device to a battery produces a current?

When an electric device is connected to a battery, an electric current is produced due to the difference in potential between the positive and negative terminals of the battery. This potential difference, also known as voltage, creates an electrical force that pushes the flow of electric charge (current) through the circuit and powers the device.


What is produce by the electric current in order to overcome resistance?

Mass


What happens if the compass is placed under the wire?

Placing a compass under a current-carrying wire can cause the needle to deflect due to the magnetic field produced by the electric current. This phenomenon, known as the right-hand rule, demonstrates the relationship between electric current and magnetic fields.


What would happen if you placed a compass near an electromagnet when there is an electric current in the coil of the electromagnet?

The needle of the compass will align itself with the magnetic field produced by the electromagnet due to the flow of electric current in the coil. The compass needle will point in the direction of the magnetic field lines, which are generated by the current passing through the coil of the electromagnet.

Related Questions

What flows through a circuit and causes a magnetic field?

An electric current flowing through a circuit causes a magnetic field. This is due to the movement of electric charges, usually electrons, in the circuit. The magnetic field produced is perpendicular to the direction of the current flow.


Why does connecting an electric device to a battery produces a current?

When an electric device is connected to a battery, an electric current is produced due to the difference in potential between the positive and negative terminals of the battery. This potential difference, also known as voltage, creates an electrical force that pushes the flow of electric charge (current) through the circuit and powers the device.


Heat is produced in electric generators due to what?

"friction"


What happens if the compass is placed under the wire?

Placing a compass under a current-carrying wire can cause the needle to deflect due to the magnetic field produced by the electric current. This phenomenon, known as the right-hand rule, demonstrates the relationship between electric current and magnetic fields.


What is produce by the electric current in order to overcome resistance?

Mass


What do you understand by electric current?

electric current is the flow of electrons due to external energy (emf) supplied by the voltage source.


Why does a metallic piece become hot when it is surrounded by a coil carrying high frequency alternating current?

This is because of the eddy curents produced due to the changing electric and magnetic fields.


In an electromagnet the wires get hot due to the flow of what?

Electric current


What would happen if you placed a compass near an electromagnet when there is an electric current in the coil of the electromagnet?

The needle of the compass will align itself with the magnetic field produced by the electromagnet due to the flow of electric current in the coil. The compass needle will point in the direction of the magnetic field lines, which are generated by the current passing through the coil of the electromagnet.


True or False. The imbalance of electrons in an atom creates a movement of electrons called the electric current?

False. The imbalance of electrons in an atom does not create electric current. Electric current is the flow of electric charge, which is the movement of electrons through a conductor. The movement of electrons in an atom due to an imbalance is known as an electric field, which can lead to the flow of electric current when a conductor is present to allow the movement of electrons.


Why does a metallic piece become very hot when it is surrounded by a coil carrying high frequency alternating current?

This is because of the eddy curents produced due to the changing electric and magnetic fields.


Can An electric current be produced by a changing magnetic force?

It's not the force. It's the changing magnetic field surrounding an electricalconductor, whether or not that conductor feels any force due to the field.