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What is magnetic induction?

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βˆ™ 2015-02-10 09:11:58

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Electromagnetic induction is the process of inducing electric current in a coil with the help of a magnet.

Whenever a conductor is moved through a magnetic field, or the magnetic field fluctuates in strength (as with an AC electromagnet), a current will be induced in that conductor. Induction cooktops work by passing a large AC current through a conductor under the cooktop, creating a fluctuating magnetic field which induces an electric current through the cookware - heating the cookware by electrical resistance.

The process by which a substance, such as iron or steel, becomes magnetized by a magnetic field. The induced magnetism is produced by the force of the field radiating from the poles of a magnet.

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Further to the original answer, it is a voltage that is induced into a conductor, NOT a current.

2015-02-10 09:11:58
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Related Questions

What will happen to the world if there is no magnetic induction?

if there is no magnetic induction there will be no electricity


What is the difference between electromagnetic induction and magnetic induction?

Magnetic induction and electromagnetic induction are used pretty much interchangably. Magnetic induction is really electromagnetic induction. One of the four fundamental forces in the universe is the electromagnetic force. Not the electrical force or the magnetic force, but the electromagnetic force. And magnetic induction is just another term for electromagnetic induction.


SI unit of magnetic-induction?

TESLA


What is the difference between magnetic induction and magnetic field?

actually magnetic field is the region around magnet and magnetic induction is the process of using magnetic field to produce current , voltage etc'magnetic induction is basically force per unit length and current. from [fatima ]


How does induction motor start?

induction motor start by magnetic motor


What are the characteristics of induction?

Induction, which refers to induced voltage is related to magnetic field and area. Change of magnetic flux inside a wire loop caused a voltage to be induced or induction. A change in magnetic field or area changes the value of induction. Induction can also be considered a function of the current change rate.


Magnetic induction unit?

tesla


What is magentic induction and an example of magnetic induction?

The magnetic flux density at any point my be defined as the number of linese of magnetic induction passing through a unit area held a right angle to the lines at the point and is represented by the vectore


What is necessary for induction?

For electromagnetic induction, you need a conductor moving in a magnetic field.


What is a magnetic induction unit called?

Answermagnetic flux densityteslas


Why does an iron core increase the magnetic induction ofa coil of wire?

the magnetic domains that become aligned in the iron core contribute to the overall magnetic field of the coil and therefore increase its magnetic induction.


What is the phenomenon in which a current is produced by a changing magnetic field?

We might call it induction, magnetic induction, or electromagnetic induction, depending on what kind of setup we were inspecting. It is the phenomenon of induction that allows a moving magnetic field to cause (induce) current flow in a conductor. A link can be found below for more information.


Electromagnetic induction occurs when?

a conductor is moved through a magnetic field a conductor is moved through a magnetic field


How do you define magnetic induction?

Magnetic induction is the process in which an item is magnetized by an external magnetic field. The force of the fields comes from the poles of the magnet to produce the magnetism. The process is also called magnetic flux density.


What does magnetic induction mean?

The Processes Of Which A Substance, Becomes Magnetized By Magnetic Fields.


What is a unit of magnetic induction?

Tesla (T).


What is the process by which electric current is generated by placing a wire ina magnetic?

Magnetic induction


What is a magnetic induction unit?

Setting aside the ideas of the B-field and Lorentz force and magnetic flux, a magnetic induction unit is any device that operates on principles of magnetic induction. Let's do a bit of review. Any time an electric current flows through a conductor, a magnetic field will appear around the conductor. A changing current, and alternating current (AC), will produce a changing electromagnetic field around the conductor. If this field passes through another conductor, if it "sweeps" that other conductor, the magnetic field will induce a voltage in that conductor, and this is magnetic induction. Devices that apply this principle can be called magnetic induction units. Transformers apply this idea, and the primary windings, with their applied AC, will generate a "sweeping" magnetic field that will generate voltage in that secondary. Voltage can be stepped up or down according to the turns ratio. We have transformer action, and it is based on magnetic induction. There are other devices that apply the principle of magnetic induction, and electric motors do this. Motors are in wide use in a variety of equipments and applications.


When lines of force are cut by what you have electromagnetic induction?

When magnetic flux lines of force are cut by induced voltage between magnetic and electric currents. Electromagnetic induction is created.


How does a magnetic induction range work?

It uses magnetic power to heat the food more evenly.


How does an induction motor develop torque?

The shaft of an AC induction motor rotates because of the torque created by the interaction between the magnetic field of the stator and the magnetic field of the rotor.


Why is magnetic induction a vector quantity?

Magnetic field induction at a point is defined as the FORCE experienced by a unit north pole placed at that point. Since force is a vector quantity, manetic field induction also becomes a vector quantitiy.


What is induction cook top?

The induction cooking stove/cook top is an electric appliance with magnetic induction/electromagnetic field under the glass top to create heat as opposed to thermal conduction from other cook top, hence an induction cook top will work with ferro-magnetic cookware only, such as stainless steel, cast iron, cookware that are not magnetic such as copper, aluminium and ceramic will not work on induction stove top.


Metal detectors like the ones used at airports are activated by magnetic fields or electromagnetic induction?

electromagnetic induction.


Where can motion for induction come from?

Expanding and collapsing of a magnetic field