Table of Contents
What is the main use of inductor?
Inductors are primarily used in electrical power and electronic devices for these major purposes: Choking, blocking, attenuating, or filtering/smoothing high frequency noise in electrical circuits. Storing and transferring energy in power converters (dc-dc or ac-dc)
What are some examples of inductors?
Applications of inductors can be seen in the following
- Tuning circuits.
- Sensors.
- Store energy in a device.
- Induction motors.
- Transformers.
- Filters.
- Chokes.
- Ferrite beads.
Why use an inductor instead of a capacitor?
Capacitors preserve voltage by storing energy in an electric field, whereas inductors preserve current by storing energy in a magnetic field. One result of this is that while capacitors conduct best at higher frequencies, inductors conduct best at lower frequencies.
Why are inductors rarely used in electronic circuits?
Inductors are used to be big. Compared to the sizes of all other devices in ICs (e.g. transistors) it is really HUGE. Making small inductor with desired characteristics is very expensive, so designers try to avoid using them.
How do inductors work?
An inductor is a passive electronic component which is capable of storing electrical energy in the form of magnetic energy. Basically, it uses a conductor that is wound into a coil, and when electricity flows into the coil from the left to the right, this will generate a magnetic field in the clockwise direction.
Do computers use inductors?
Large inductors are used in the power supplies of electronic equipment of all types, including computers and their peripherals. In these systems, the inductors help to smooth out the rectified utility AC, providing pure, battery-like DC.
Can inductor be used as battery?
If the current is constant the inductor has no change to oppose and so it doesn’t act like a battery at all. In that case it just acts as a resistor. Often the resistance of the inductor is negligible compared to that of other resistors in the circuit and we can treat the inductor just as a wire.
How do inductors store electrical energy?
Inductors Store Energy. The magnetic field that surrounds an inductor stores energy as current flows through the field. If we slowly decrease the amount of current, the magnetic field begins to collapse and releases the energy and the inductor becomes a current source.
How does an inductor store electricity?
What are features of an inductor?
Inductors have the following basic characteristics.
- Current flows to generate a magnetic field, and a change of the magnetic field generates an opposing current.
- Changes electrical energy to magnetic energy and stores it.
- DC can pass through but AC cannot easily pass through at higher frequencies.