Magnetic Inductor Circuit

Winding the wire into a coil increases the number of times the magnetic flux lines link the circuit increasing the field and thus the inductance. An inductor is just a coil of wire around some kind of core.

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It consists of a conductor such as a wire usually wound into a coil.

Magnetic inductor circuit. The greater the flux the greater the inductance. An inductor also called a coil or reactor is a passive two terminal electrical component which resists changes in electric current passing through it. The coiled shape of inductors increases the magnetic flux that naturally occurs when current flows through a straight wire.

In most cases we talk in terms of micro henrys or uh. Energy is stored in the magnetic core of the inductor. Inductor opposes this change in current by developing a magnetic field around it which builds up a self induced voltage which opposes this high current from the supply.

As seen below inductors like capacitors can use a variety of core materials to change the properties and effectiveness of the coil. Energy is stored in a magnetic field in the coil as long as current flows. The coils ability to store magnetic energy is called inductance and is measured in henrys.

Current flowing in the wires of an inductor create a magnetic field in the inductor core which is at right angles to the wire. That magnetic field represents the energy in an inductor that we spent in creating it with voltage and current. An inductor is a passive circuit element which stores energy in the form of the magnetic field.

A circuit containing both an inductor l and a capacitor c can oscillate without a source of emf by shifting the energy stored in the circuit between the electric and magnetic fields. This energy has come from the power supplys energy source. In other words if we turn on a voltage and current flows through an inductor then a magnetic field will form.

An inductor is a component consisting of a wire or other conductor shaped to increase the magnetic flux through the circuit usually in the shape of a coil or helix. Inductors are made of wrapped conducting wires or coil to enhance the effectiveness of inductor number of turns are increased. If you needed a circuit that stored more magnetic energy you could get even larger inductance values by inserting iron into the wire coil.

When you apply a current through the inductor a magnetic field is created around it. Inductor behavior in a dc circuit. By using a magnetic core the magnetic field will be much much much stronger.

The core could be just air or it could be a magnet. An inductor is not anticipated to dissipate energy it only stores energy and then delivers it to the circuit when required. After for a moment when the current returns to steady state the magnetic field collapses and release the stored energy into the circuit in the form of current.

The energy of running current through an inductor is stored as a magnetic field. Thus the concepts we develop in this section are directly applicable to the exchange of energy between the electric and magnetic fields in electromagnetic waves or light.

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