Press "Enter" to skip to content

What happens when a current moves through a wire and the wire is placed near a magnet?

Because the magnetic field created by the electric current in the wire is changing directions around the wire, it will repel both poles of the magnet by bending away from the wire.

Is magnetism produced by an electric current flowing through a wire?

Electromagnetism is produced when an electrical current flows through a simple conductor such as a length of wire or cable, and as current passes along the whole of the conductor then a magnetic field is created along the whole of the conductor.

Which of the following is produced around a conductor when current is flowing through the conductor?

magnetic field

How does direction of current affect magnetic field?

The magnetic field produced by an electric current is always oriented perpendicular to the direction of the current flow. Similar to the situation with electric field lines, the greater the number of lines (or the closer they are together) in an area the stronger the magnetic field.

What is the direction of magnetic field?

Magnetic Field of Current The direction of the magnetic field is perpendicular to the wire and is in the direction the fingers of your right hand would curl if you wrapped them around the wire with your thumb in the direction of the current.

What is the nature of magnetic field outside the solenoid?

The magnetic curves inside the solenoid are in parallel straight lines, which indicate that the magnetic field is same at all points inside the solenoid. However, the field lines outside the solenoid travels from one pole to the other.

What will be the magnetic field outside a long current carrying solenoid?

Note: For a very long solenoid the magnetic field outside will be zero and magnetic will be present only inside the solenoid.

Does the magnetic field outside the solenoid depend on the distance from the solenoid?

Does the magnetic field outside the solenoid depend on the distance from the solenoid? Yes, the magnetic field is stronger closer to the solenoid.

What is the magnetic field inside the solenoid?

The magnetic field inside a solenoid is proportional to both the applied current and the number of turns per unit length. There is no dependence on the diameter of the solenoid, and the field strength doesn’t depend on the position inside the solenoid, i.e., the field inside is constant.

What happens when the number of turns of wire in the solenoid increases?

Strength of a Solenoid Adding more turns to the coil of wire increases the strength of the field. Increasing the amount of current flowing through the coil also increases the strength of the magnetic field.

What is the difference between an electromagnet and a solenoid?

An electromagnet is a made coil associated with a ferromagnetic core. A solenoid is a cylindrical coil of wire whose diameter is small compared to its length. When an electric current flows through the wire the solenoid generates a magnetic field similar to that of a bar magnet.

Which wire is used in solenoid?

Insulated copper wire

What is the similarities between electromagnet and solenoid?

Answer. A solenoid is a cylindrical coil of wire whose diameter is small compared to its length. When an electric current flows through the wire the solenoid generates a magnetic field similar to that of a bar magnet. An electromagnet is a solenoid wound around a central iron core.

What do solenoids and electromagnets have in common?

Both solenoids and electromagnets use electric current and coiled wires to produce strong magnetic fields. Solenoids – by running current through a wire which is wound into many loops, you strengthen the magnetic field in the center of the coil. A coil of wire with a current is called a solenoid.

Is an inductor and electromagnet?

If you have read How Electromagnets Work, you might recognize that the inductor is an electromagnet. The reason for this strange behavior is the inductor. When current first starts flowing in the coil, the coil wants to build up a magnetic field. While the field is building, the coil inhibits the flow of current.