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What Are Inductors And Why Do We Need Them?

time 2022-12-13

Publisher: ren peter



If you’re reading this article, it’s likely that inductors are something you’re interested in. After all, they play an important role in many electronic devices, from power supplies to radios. In this article, we will explore what inductors are and why we need them. We will also look at some of the different types of inductors and the applications they have in our everyday lives. So if you’re curious about inductors and want to learn more about them, read on!

What are inductors and why do we need them?

Inductors are special components in electronic circuits that can help to reduce or eliminate electromagnetic interference (EMI). Inductors are also used to convert alternating current (AC) into direct current (DC), and vice versa. This is important because it allows AC power to be used in electronic devices without the risk of damage from high-frequency currents.

There are several different types of inductors, but the most common ones are toroidal and wound. Toroidal SM13143EL inductors have a doughnut-shaped magnetic field, while wounds have coils of wire around a central core. Both types of use in electronic circuits, but work best when they’re used in combination with other components.

One common use for inductors is to reduce EMI. Electromagnetic fields interact with each other, and if two fields are strong enough they can cause interference. Inductors can help to cancel out some of the fields, which decreases the chances of interference happening.

Inductors also play an important role in converting AC into DC. AC power is made up of alternating electric and magnetic fields. When these fields hit an object they create a force, which is why motors turn on and off when you switch the electricity on and off.

The electric field causes the motor to rotate in one direction, while the magnetic field causes it to spin in the opposite direction. When you convert AC power into DC, you remove all of the electric

The different types of inductors

Inductors are components used in electronics and electromagnetism that allow an alternating current (AC) to flow through them without disruption. They are made from different materials and come in a variety of shapes, sizes, and configurations. Here’s a look at the different types of inductors:

Coil inductors are the most common type of inductor. They consist of a number of wire coils wound around a core. When AC voltage is applied, the currents induced in the coils cause a magnetic field to form. This field repeals the AC voltage, allowing it to pass through the inductor unimpeded. Coils are used in transformers and power supplies to smooth out fluctuations in power supply voltages.

Magnetic flux storage (MFS) inductors use permanent magnets to create a flux concentration around the coil. As AC voltage is applied, this flux stores energy in the form of magnetic fields. The MFS inductor can then release this energy when needed, providing a temporary storage capacity for electricity. MFS are often used as capacitors in circuits that need to store large amounts of charge (for example, flash memory).

Flux gate (FG) or switched reluctance (SR) inductors use electronic switching devices to create an open or closed magnetic path between two windings on the same core. This allows AC voltage to selectively pass through one coil instead of all of them, reducing interference and increasing power transfer efficiency. FG

How inductors work

Inductors are a type of electrical component that magnetic fields can pass through. When an inductor is in use, electricity flows through it constantly and produces a small, alternating current. Inductors are used in circuits to keep the electricity flowing smoothly and avoid interference.

Applications of inductors

Inductors are components that have the ability to transform electrical energy into magnetic energy. They are used in a variety of applications, such as radios, power supplies, and medical equipment. Inductors can also be used in circuits to create oscillating fields or currents. inductors are made from materials such as copper, iron, and aluminum.

What are the different types of inductors?

An inductor is a passive electrical component that has the ability to store energy. Inductors are used in devices such as transformers, power supplies, and loudspeakers. They can also be used in motors and generators to smooth out the power output. There are three main types of inductors: solenoid, toroidal, and chokes.

Solenoid inductors consist of a coil of wire wrapped around a ferromagnetic core. The coil creates a magnetic field that causes current to flow through the inductor. Toroidal is similar to solenoids but have a doughnut-shaped configuration instead of a coil. Chokes are made up of several coils wound around each other and typically have more coils than toroidal inductors. They are used to reduce the amount of current flowing through an electronic circuit.

When should we use inductors?

Inductors are often used in electrical circuits to reduce the amount of current flowing through them. This is important when there is a high potential difference between the two wires in a circuit, or when there is a lot of RF (radio frequency) energy present. They also help to prevent shorting out of circuits. Inductors are usually made from metal coils wound around an iron core.

Why are inductors needed in electronic circuits?

Inductors are necessary for electronic circuits because they help to preserve the voltage and current levels across an electrical circuit. If these levels were to fluctuate too much, it could cause damage to the circuitry. In order to avoid this, help to maintain a consistent voltage and current level by acting as a resistor and capacitor at the same time.

How to make an inductor

An inductor is a type of electrical component that stores energy in a magnetic field. Making an inductor requires a few basic materials and tools, as well as some knowledge of electricity and electronics. Here is a step-by-step guide on how to make an inductor:

1. Gather the necessary materials. To make an inductor, you will need a ferromagnetic core, such as a soft iron core, a coil of insulated copper wire, and some form of electrical insulation.

2. Wind the wire around the core. Start at one end of the core and wind the wire around it in a spiral pattern. Make sure to leave enough space between each loop of wire so that the inductor can function properly.

3. Secure the wire. Once the wire is wound around the core, secure it with electrical tape or heat shrink tubing.

4. Apply the insulation. Apply the insulation to the core and wire. This will help protect the inductor from short circuits and other electrical hazards.

5. Test the inductor. To make sure that the inductor is functioning properly, connect it to an ohmmeter and measure its resistance.

Making an inductor is a relatively simple process and can be done with basic materials and tools. With just a bit of knowledge and patience, you can make your own inductor in no time.


Making an inductor is a relatively simple process. With the right materials and tools, as well as some basic knowledge of electronics and electricity, you can make your own inductor in no time. Following the above steps will help you make an inductor that is safe and functional.