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  1. Ferrite cores
  2. Plastic cores
  3. Aluminium cores
  4. Air cores
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1 Answers

Option 1 : Ferrite cores

Air Core Inductors: The core material is air, so it has low permeability and hence lower inductance. ∴ It can be used for high-frequency applications.

Applications:

  • It is used for constructing RF tuning coils.
  • The air core inductor is used in filter circuits and Snubber Circuits.
  • It is used to ensure a lower peak inductance.
  • It is used in high-frequency applications including TV and radio receivers.

 

Ferrite Core Inductors:

  • By winding a length of wire around a ferrite core will result in a ferrite core inductor.
  • Ferrite core inductors have high permeability, high electrical resistivity, and low eddy current losses these characteristics make them suitable for many high-frequency applications.

 

Applications:

  • It can be used at high and medium frequencies.
  • It is used in switching circuits.
  • Pi Filters.

 

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