An inductor is a passive electronic component that stores energy in the form of a magnetic field. There are two main types of inductors: fixed inductors and variable inductors. Fixed inductors include air core inductors, ferrite core inductors, and iron core inductors. The inductance of a coil depends on factors like the number of coils, the cross-sectional area of the coil, how tightly packed the coils are, and the material at the core of the coils. Inductors are constructed with a coil of conducting material wrapped around a core, with better inductance achieved using more magnetic core materials.

1. Inductors
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2. Introduction
What is an Inductor?
 A passive electronic component that
stores energy in the form of a magnetic
field.
 When an electric current is passed
through inductors it creates an magnetic
field.

3. Types of inductors
There are mainly two types of inductors. They are:
 Fixed inductors
 Variable inductors

4. Types of fixed inductors
 Air core inductor
 Ferrite core inductor
 Iron core inductor

5. Air core inductor
An inductor that uses air as its core in the place
of ferromagnetic materials.

6. Ferrite core inductor
The fixed value inductors which
have a ferrite core placed inside
the coil.

7. Iron core inductors
 In the areas where low space
inductors are in need then these
iron core inductors are best option.
 These are applicable in audio
equipments.

8. Factors in which inductors
depends
There are mainly four factors which depends on
the capacity of an Inductor. They are:
 Inductance increases with the increase in the
number of coils and vice-versa.
 Inductance increases with more area in the
cross-section of the coil and vice-versa.
 Inductance increases with the overlapping or
narrowing of coils and vice-versa.
 Inductance depends on the material that the
coils are wrapped around (the core).

9. Construction of inductors
 An inductor is usually made from a coil
of conducting material, that is wrapped
around a core.
 The use of more magnetic materials as
the core gives better inductance.
 Small inductors can also be put onto
integrated circuits using the same ways
that are used to make transistors.
 Aluminum is usually used as the
conducting material in this case.

10. https://www.electronicshub.org/types-of-inductors-and-
applications/
https://en.wikipedia.org/wiki/Inductor
http://www.circuitstoday.com/working-of-an-
inductor

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