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# What are 3 ways to change characteristics of a magnetic field by an electric current?

Updated: 9/21/2023

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Q: What are 3 ways to change characteristics of a magnetic field by an electric current?
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### Does an electric current produces a magnetic field?

yes*edit: don't confuse moving with changing. A change in magnetic field strength/direction will induce an electric current.

### Do magnetic effect of electric current causes a change in colour in a solution through which electric current is passed?

i don't believe it does

### In an electromagnet as the electric current changes what happens to the magnetic field?

the magnetic field would constantly change, that's why the AC current is converted to DC current

### Does a moving magnetic field produce an electric current?

yes*edit: don't confuse moving with changing. A change in magnetic field strength/direction will induce an electric current.

### What most occur to produce electric current?

Chemical changes, change in magnetic flux linked with a conductor cause the production of electric current.

### What is needed for electromagnetic induction?

An electric current is produced by the change in Magnetic flux over timeRead more: How_do_electromagnets_work

### What happen to magnetic compass if the current is changed?

If an electric current flows through a wire, it will create a magnetic field. ... a ship or an airplane, it can damage or otherwise change the ship's magnetic compass.

### Can an electric current generate an electromagnetic wave?

Not a constant electric current but a changing one will generate electromagnetic waves.First: If you have a lone electron, and it is accelerated in any way, it will send off an electromagnetic wave. This is because a changing electric field generates a magnetic field.It is also true that changing magnetic field will generate an electric field. This is the reason that if you have an electric current, which is generating a magnetic field, and you change the current you generate an electromagnetic wave. To generate a continuous sinusoidal electromagnetic wave you continuously change the current sinusoidally.

### What is the best way to describe induction?

a) The production of an electric or magnetic state by the proximity (without contact) of an electrified or magnetized body. b) The production of an electric current in a conductor by a change of magnetic field.

### Why electric cooling fans rotate in opposite direction if there is a change in current flow?

Cooling fans use electric motors which operate by magnetism. As the direction of the current flow reverse, the magnetic poles reverse and hence the change in direction.

### How does magnets produce movement ina current carrying wire?

Faraday's Law states that magnetic fields produce a electric fields and vice versa. Also, Ampere's Law states that a change in magnetic fields w.r.t. time creates current.

### What does a changing electric field induce?

A changing electric induces changing electric fields:The law of Electromagnetism is Invariance of the Electromagnetic field. The vector or induction portion is "o = dEv/dr + Del Er + DelxEv = dEv/cdt + Del Er + Del x Evthis is the same law as Faraday's law but it includes the Gradient Del Er0= dBv/dt + Del Er + Del xEv