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False, electric fields and magnetic fields do not often occur together.

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10y ago

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What conditions are necessary for magnetic field to produce a force on a wire?

A current has to flow in the circuit to induce a force on the circuit


Where does the magnetic field occur?

A magnetic field is generated around a magnet or a current-carrying conductor. It exists in the space surrounding the magnet or conductor, affecting other magnets or conductors within its influence. Magnetic fields are also present in certain materials and celestial bodies.


How does an electromagnet's magnetic field differ from that of a permanent magnet, and does an electromagnet possess both a north and south pole?

An electromagnet's magnetic field can be turned on and off by controlling the electric current flowing through it, while a permanent magnet's field is always present. An electromagnet can have both a north and south pole, depending on the direction of the electric current.


Explain the difference between permanent and electromagnetic magnets?

In an electric magnet there is an ordinary metal used which when you run a current through it, induces a magnetic field, the permanent magnet (usually made of lodestone) contains particles which are already arranged in a manner that produces a magnetic field.


When no current is present the compass needles will?

When no current is present, the compass needles will align themselves with the Earth's magnetic field, pointing towards the magnetic north pole. This is because the Earth's magnetic field exerts a force on the compass needle, causing it to align in a north-south direction.

Related Questions

What strengthens a magnetic field made by a current -carrying wire?

The number of coils present in it


Is there a magnetic field around current carrying conductors?

yes.magnetic field present around the conductor.current and magnetic fields are inter related..with current we can produce magnetic field and vice versa


Can an electric field exist without a magnetic field?

Yes, an electric field can exist without a magnetic field. Electric fields are produced by electric charges, while magnetic fields are produced by moving electric charges. So, in situations where there are stationary charges or no current flow, only an electric field is present.


What do the moving electrons in a wire produce?

An electric current produces a combination of three effects. These are the heating effect, the chemical effect, and the magnetic effect.The unit of measurement of current, the ampere(A), cold be defined in terms of any of these three effects. However, in SI, the ampere is defined in terms of its magnetic effect -i.e. the force of attraction or repulsion created by the magnetic fields surrounding two, parallel, current-carrying conductors. Prior to its present definition, current was defined in terms of its chemical effect -i.e. the amount of silver deposited by electrolysis over a given period of time.


What conditions are necessary for magnetic field to produce a force on a wire?

A current has to flow in the circuit to induce a force on the circuit


Why do magnets work?

Magnetic attraction occurs due to the effect of magnetic fields on electrical currents. An electric current would be the flow of electric charge (positive or negative depending on the amount of electrons present). A magnetic field is produced by moving electrical charges to effect other charges (basically).


What is electro -magnetic force?

Magnetic force is present around the electric field which is also known as electro-magnetic field.


Where does the magnetic field occur?

A magnetic field is generated around a magnet or a current-carrying conductor. It exists in the space surrounding the magnet or conductor, affecting other magnets or conductors within its influence. Magnetic fields are also present in certain materials and celestial bodies.


How does an electromagnet's magnetic field differ from that of a permanent magnet, and does an electromagnet possess both a north and south pole?

An electromagnet's magnetic field can be turned on and off by controlling the electric current flowing through it, while a permanent magnet's field is always present. An electromagnet can have both a north and south pole, depending on the direction of the electric current.


How can magnetic fields be used to create an electric current?

Move wires rapidly through the magnetic field so that they "cut" the field lines will create an electric current in the wires. This is the method used in alternators, generators, magnetos, and read heads on disk drives and tape recorders.


What is the relation between electricity and magnetism?

Due to the flow of electric charges ie current flow, a magnetic field is produced. Hence a moving electric charge in the region where magnetic field is present then a force acts on the moving charged particle. This is due to the interaction between the magnetic field due to flowing charge and the magnetic field present. Same way as a current carrying conductor is kept in a magetic field then a force is acting on the conductor. Even magnetism is produced due to the electrons going around the nucleus as well as the spin of the electrons. So with the configuration of electrons we have three magnetic materials such as dia, para and ferro.


How are electric current and static electricity diffrent?

Where electric current is present, electrons are flowing from one place to another. Where static electricity is present, electrons are just sitting there in a pile.