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

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9y ago
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Anonymous

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3y ago
True
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how??
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14y ago

true

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14y ago

false

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True

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11y ago

yes

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12y ago

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11y ago

Yes.

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its true

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Continue Learning about Physics

What is the stationary of electric charge?

There is no such thing.If you mean, what is a stationary electric charge, that is normally called static electricity.


When no current is present the compass needles will?

point to the magnetic north :)


What is Ballistic galvanometer Explain its construction?

A ballistic galvanometer is used by electricians to measure an electric current. It is commonly used to test whether or not an electric current is present. A ballistic galvanometer consists of a meter that is attached to two probes, one positively charged and one negatively charged. This keeps the user from being electrocuted when an electric charge is present.


Device that produces clicking sounds or flashing light by amplifying an electric current formed when radiation is present?

A Geiger meter satisfies those requirements.


Why do factors effect electromagnets?

The factors that affect the power of electromagnets are: the current (amperes), the amount of coils, and whether a soft iron core is present. These affect the electromagnet because the current is what provided the electrical energy which created the magnetic field, and so the greater the current, the stronger the magnetic field; the amount of coils is a measure of the resistance provided by the wire, and so the greater that is, the more electrical energy is being used to strengthen the magnetic field; finally, the soft iron core further strengthens the magnetic field as it can be temporarily magnified, so it will become a magnet itself.

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


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 is the stationary of electric charge?

There is no such thing.If you mean, what is a stationary electric charge, that is normally called static electricity.


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.


When no current is present the compass needles will?

point to the magnetic north :)


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.


What determines the strength of a magnetic field?

factors on which magnetic field a bar magnet depends :- 1. pole strength of the magnet 2. medium in which the bar magnet is present(since the permittivity changes) factors on which external magnetic field(B) of a current carrying coil depends:- 1. the amount of current flowing through the conductor 2. the perpendicular distance of the point from the conductor. 3. medium in which the conductor is present(since the permittivity changes)


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.


Device that produces an electric current when radiation is present?

Geiger Counter